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1、<p><b> 新東方在線高考網(wǎng)(</b></p><p> http://gaokao.koolearn.com/ )</p><p><b> 絕密★啟用前</b></p><p> 2017 年普通高等學(xué)校全國(guó)招生統(tǒng)一考試(北京卷)</p><p>&l
2、t;b> 英</b></p><p><b> 語(yǔ)</b></p><p> 本試卷共 16 頁(yè),共 150 分??荚嚂r(shí)長(zhǎng)</p><p> 120 分鐘??忌鷦?wù)必將答案答在答題卡上,在試</p><p> 卷上作答無(wú)效??荚嚱Y(jié)束后,將本試卷和
3、答題卡一并交回。</p><p><b> 第一部分:聽(tīng)力理解</b></p><p> (共三節(jié), 30 分 )</p><p> 第一節(jié)(共 5 小題;每小題</p><p> 1.5 分,滿分 7.5 分)</p>
4、<p> 聽(tīng)下面 5 段對(duì)話。每段對(duì)話后有一道小題,從每題所給的</p><p> A、 B、 C 三個(gè)選項(xiàng)中選出最</p><p> 佳選項(xiàng)。聽(tīng)完每段對(duì)話后,你都有</p><p><b> 話你將聽(tīng)一遍。</b></p><p> 例:
5、0;What is the man going to read?</p><p> 10 秒鐘的時(shí)間來(lái)回答有關(guān)小題和閱讀下一小題。每段對(duì)</p><p> A . A newspaper.</p><p> B . A magazi
6、ne.</p><p> C. A book.</p><p><b> 答案是 A 。</b></p><p> 1. When will the film start?</p><p> A . At
7、 5:00.</p><p> B . At 6:00.</p><p> C . At 7:00.</p><p> 2. Which club will the man join?</p><p> A
8、 . The film club.</p><p> B. The travel club.</p><p> C . The sports club.</p><p> 3. What was the weat
9、her like in the mountains yesterday?</p><p> A . Sunny.</p><p> B . Windy.</p><p><b> C.Snowy.</b></p><p>
10、4. What does the man want to cut out of paper?</p><p> A . A fish.</p><p> B. A bird.</p><p> C .&
11、#160;A monkey.</p><p> 5. Where does the conversation most probably take place?</p><p> A . In a library.</p><p>
12、 B .At a bookstore.</p><p> C . In a museum.</p><p> 第二節(jié)(共 10 小題;每小題</p><p> 1.5 分, 15 分)</p><p> 聽(tīng)下面
13、160;4 段對(duì)話或獨(dú)白。每段對(duì)話或獨(dú)白后有幾道小題,從每題所給的</p><p> A 、 B、 C 三個(gè)選項(xiàng)</p><p> 中選出最佳選項(xiàng)。聽(tīng)每段對(duì)話或獨(dú)白前,</p><p> 你將有 5 秒鐘的時(shí)間閱讀每小題。</p><p><b> 聽(tīng)完后
14、,每小題</b></p><p> 將給出 5 秒鐘的作答時(shí)間。每段對(duì)話或獨(dú)白你將聽(tīng)兩遍。</p><p><b> 新東方在線高考網(wǎng)(</b></p><p> http://gaokao.koolearn.com/ )</p><p> 聽(tīng)第 6
15、段材料,回答第</p><p><b> 6 至 7 題。</b></p><p> 6. Why does the woman make the call?</p><p> A .To make an
16、60;invitation.</p><p> B .To ask for information.</p><p> C .To discuss a holiday plan .</p><p> 7. How much does
17、 the woman need to pay for the minibus?</p><p><b> A .$50.</b></p><p><b> B . $150.</b></p><p><b
18、> C. $350.</b></p><p> 聽(tīng)第 7 段材料,回答第</p><p><b> 8 至 9 題。</b></p><p> 8.What are the two sperkers mainl
19、y talking about?</p><p> A.Electronic waste.</p><p> B.Soil pollution.</p><p> C.Recyling benefits.</p><p> 9.What does the
20、woman decide to do with her cell phone in the end?</p><p> A.Throw it away.</p><p> 聽(tīng)第 8 段材料,回答第</p><p> B.K
21、eep it at home.</p><p> 10 至 12 題。</p><p> C.Sell it to be recycled.</p><p> 10.What is the possible relatio
22、nship between the two sperkers?</p><p> A.Friends.</p><p> B.Wife and husband.</p><p> C.Business partners.</p><p> 11.Where
23、;does the woman work now?</p><p> A.In a school.</p><p> B.In a restaurant.</p><p> C.In a travel agency.</p><p&
24、gt; 12.What are the two sperkers going to do?</p><p> A.To take a trip.</p><p> 聽(tīng)第 9 段材料,回答第</p><p> B.To have
25、160;a coffee.</p><p> 13 至 15 題。</p><p> C.To attend a meeting.</p><p> 13.What has been improved according to th
26、e speaker?</p><p> A.The train station.</p><p> B.The bus service.</p><p> C.The parking lot.</p><p> 14.How does the
27、160;speaker get to her office today?</p><p> A.By bus and on foot.</p><p> 15.Who is the speaker?</p><p> A.A rep
28、orter.</p><p> B.By train and by bus.</p><p> B.A policeman.</p><p> C.By train and on foot.</p><p> C.A photograp
29、her.</p><p> 第三節(jié)(共 5 小題;每小題</p><p> 聽(tīng)下面一段對(duì)話,完成第</p><p> 1.5 分,共 7.5 分)</p><p> 16 至 20 五道小題,每小題僅填寫(xiě)一個(gè)..詞。 聽(tīng)對(duì)話前,你將有</p
30、><p><b> 新東方在線高考網(wǎng)(</b></p><p> http://gaokao.koolearn.com/ )</p><p> 20 秒鐘的時(shí)間閱讀試題,聽(tīng)完后你將有</p><p> Pick-up Appointment Form</p>&l
31、t;p> 60 秒鐘的作答時(shí)間。這段對(duì)話你將聽(tīng)兩遍。</p><p><b> Item(物品)</b></p><p><b> A</b></p><p><b> 16</b></p><p> and some magazi
32、nes</p><p> Destination</p><p> Overseas to</p><p><b> 17</b></p><p><b> Delivery</b></p><p><b> ? Air</b&g
33、t;</p><p><b> □ Regular</b></p><p> Time to pick up</p><p><b> 5:00</b></p><p><b> 18</b></p><p&g
34、t;<b> afternoon</b></p><p><b> Packing</b></p><p> Customer's information</p><p> A medium box</p><p> Mr. Hudson&l
35、t;/p><p><b> 19</b></p><p> 89 Street,Chicago,</p><p> Tel:4159786</p><p><b> 20</b></p><p> 第二部分:知識(shí)運(yùn)用(共兩節(jié),</p><p
36、><b> 45 分)</b></p><p><b> 第一節(jié)</b></p><p><b> 單項(xiàng)填空(共</b></p><p><b> 15 小題;每小題</b></p><p> 1 分,共
37、60;15 分)</p><p><b> 從每題所給的</b></p><p> A 、B、 C、D 四個(gè)選項(xiàng)中,選出可以填入空白處的最佳選項(xiàng),并在答題</p><p><b> 卡上將該項(xiàng)涂黑。</b></p><p> 例: It
38、160;’s so nice to hear from her again, ________, we last met more than thirty years ago.</p><p> A. What ’s mor
39、e</p><p> B. That ’s to say</p><p> C. In other words</p><p> D. Believe it or</p><p><b> not</b><
40、;/p><p><b> 答案是 D 。</b></p><p> 21. Samuel, the tallest boy in our class, ______ easily reach the books on
41、160;the top shelf.</p><p><b> A. must</b></p><p><b> B. should</b></p><p><b> C. can</b></p><p><b>
42、; D. need</b></p><p> 22. — Peter, please send us postcards ______ we’ll know where you have visited.</p><p> —No
43、160;problem.</p><p><b> A. but</b></p><p><b> B. or</b></p><p><b> C. for</b></p><p><b> D. so</b&g
44、t;</p><p> 23. Every year, ______ makes the most beautiful kite will win a prize in the Kite Festival.</p><p> A
45、. whatever</p><p> B. whoever</p><p> C. whomever</p><p> D. whichever</p><p> 24. — ______ that company to see
46、60;how they think of our product yesterday?</p><p> —Yes. They are happy with it.</p><p><b> 新東方在線高考網(wǎng)(</b></p><p&g
47、t; http://gaokao.koolearn.com/ )</p><p> A. Did you call</p><p> B. Have you called</p><p> C. Will you call</p><p&g
48、t; D. Were you calling</p><p> 25. ______ birds use their feathers for flight, some of their feathers are for other
49、;purposes.</p><p><b> A. Once</b></p><p><b> B. If</b></p><p> C. Although</p><p> D. Because</p><p> 26.&
50、#160;Jane moved aimlessly down the tree-lined street, not knowing ______she was heading.</p><p><b> A. why</b></p><p><
51、;b> B. where</b></p><p><b> C. how</b></p><p><b> D. when</b></p><p> 27. Many airlines now allow passen
52、gers to print their boarding passes online ______ their</p><p> valuable time.</p><p><b> A. save</b></p><p> C.
53、0;to save</p><p><b> B. saving</b></p><p><b> D. saved</b></p><p> 28. If you don ’t understand something,
54、60;you may research, study, and talk to other people _______</p><p> you figure it out.</p><p> A. because</p><p>
55、<b> B. though</b></p><p><b> C. until</b></p><p><b> D. since</b></p><p> 29. In the 1950s in the
56、0;USA, most families had just one phone at home, and wireless phones</p><p> _______ yet.</p><p> A. haven ’t invente
57、d</p><p> C. hadn’t invented</p><p> B. haven’t been invented</p><p> D. hadn’t been invented</p><p> 30. The nati
58、onal park has a large collection of wildlife, _________ from butterflies to elephants.</p><p> A. ranging</p><p><b> B.
59、160;range</b></p><p> C. to range</p><p><b> D. ranged</b></p><p> 31. The little problems ______ we meet in
60、160;our daily lives may be inspirations for great inventions.</p><p><b> A. that</b></p><p><b> B. as</b></p>&
61、lt;p><b> C. where</b></p><p><b> D. when</b></p><p> 32.Jim has retired, but he still remember the happy time
62、 _______ with his students.</p><p> A. to spend</p><p><b> B. spend</b></p><p><b> C.</b></p><p><b>
63、 spending</b></p><p><b> D.</b></p><p><b> spent</b></p><p> 33.People______better access to health care than they
64、60;used to,and they’re living longer as a result.</p><p> A.will have</p><p><b> B. have</b></p><p><b> C.had</b
65、></p><p><b> D.had had</b></p><p> 34. If the new safety system _______ to use, the accident would never ha
66、ve happened.</p><p> A. had been put</p><p> B. were put</p><p> C. should be put</p><p> D. would be pu
67、t</p><p> 35. Many people who live along the coast make a living _______ fishing industry.</p><p><b> A. at</b>
68、;</p><p><b> B. in</b></p><p><b> C. on</b></p><p><b> D. by</b></p><p><b> 第二節(jié)</b></p><p&
69、gt;<b> 完形填空(共</b></p><p><b> 20 小題;每小題</b></p><p><b> 新東方在線高考網(wǎng)(</b></p><p> http://gaokao.koolearn.com/ )</p><p> 1.5
70、 分,共 30 分)</p><p> 閱讀下面短文, 掌握其大意, 從每題所給的</p><p> A 、B、C 、D 四個(gè)選項(xiàng)中, 選出最佳選項(xiàng),</p><p> 并在答題卡上將該項(xiàng)涂黑。</p><p> Hannah Tay
71、lor is a schoolgirl from Manitoba, Canada. One day, when she was five years old,</p><p> she was walking with her
72、60;mother in downtown Winnipeg. They saw a man</p><p><b> 36</b></p><p><b> out of a</b></p><p> garbage
73、;can. She asked her mother why he did that and her mother said that the man was homeless</p><p> and hungry. Ha
74、nnah was very</p><p><b> 37</b></p><p> .She couldn' t understand why some people had to live</p><p> their
75、 lives withoutshelter or enough food. Hannah started to think about how she could</p><p><b> 38</b></p><p> ,but,o
76、f course, there is not a lot one five-year-old can do to solve(解決 )the problem of</p><p> homelessness.</p><p> Later
77、 ,when Hannah attended school, she saw another homeless person. It was a woman,</p><p><b> 39</b></p><p> an o
78、ld shopping trolley (購(gòu)物車) which was piled with</p><p><b> 40</b></p><p> . It seemed that everything</p><p> th
79、e woman owned was in them. This made Hannah very sad, and even more</p><p><b> 41</b></p><p><b> to do&l
80、t;/b></p><p> something. She had been talking to her mother about the lives of homeless people</p><p><b> 42</b>
81、</p><p> they first</p><p> saw the homeless man. Her mother told her that if she did something to change the
82、60;problem that</p><p> made her sad, she wouldn’t</p><p><b> 43</b></p><p><b> as bad.</b></p><p> Hannah
83、0;began to speak out about the homelessness in Manitoba and then in other provinces.</p><p> She hoped to 44 her mes
84、sage of hope and awareness. She started the Ladybug Foudation ,an</p><p> organization aiming at getting rid of homelessness.&
85、#160;She began to</p><p><b> 45</b></p><p> “Big Bosses”</p><p> lunches, where she would try to persuade local
86、;business leaders to 46 to the cause. She also</p><p> organized a fundraising( 募捐 )drive in “Ladybug Jars ”to collect
87、60;everyone`s spare change during</p><p> “Make Change ”month. More recently, the foundation began another</p><p><b> 47</b>&
88、lt;/p><p> called National Red</p><p> Scarf Day — a day when people donate $20 and wear red scarves in support
89、0;of Canada`s</p><p><b> homeless.</b></p><p><b> 48</b></p><p><b> and</b></p><p> There is an emergency
90、60;shelter in Winnipeg called</p><p> “Hannah`s Place”, something that Hannah is</p><p> very 49 of. Hannah`s Place is div
91、ided into several areas, providing shelter for people when it is so</p><p><b> cold that</b></p><p> 50 outdoors
92、60;can mean death. In the more than five years since Hannah began her</p><p> activities, she has received a lot of&
93、lt;/p><p><b> 51</b></p><p> .For example, she received the 2007 BRICK Award</p><p><b> 新東方在線高考網(wǎng)(</b></p><p>
94、 http://gaokao.koolearn.com/ )</p><p> recognizing the</p><p><b> 52</b></p><p> of young people to change the world. Bu
95、t</p><p><b> 53</b></p><p> all this, Hannah</p><p> still has the</p><p><b> 54</b></p><p> life of&
96、#160;a Winnipeg schoolgirl, except that she pays regular visits to</p><p> homeless people.</p><p> Hannah is one of many&
97、#160;examples of young people who are making a</p><p> You can,too!</p><p><b> 55</b></p><p> in the world.</p>
98、;<p> 36. A. jumping</p><p> 37. A. annoyed</p><p> 38. A. behave</p><p> 39. A. pushing</p><p> 40. A. go
99、ods</p><p> 41. A. excited</p><p> 42. A. since</p><p> 43. A. sound</p><p> 44. A. exchange</p><p> 45.
100、A. sell</p><p> 46. A. contribute</p><p> 47. A. campaign</p><p> 48. A. elderly</p><p> 49. A. aware</p><p&
101、gt; 50 A. going</p><p> 51. A. praises</p><p> 52. A. needs</p><p> 53. A. for</p><p> 54. A. healthy</p>
102、<p> 55. A. choice</p><p><b> B. eating</b></p><p> B. nervous</p><p><b> B. manage</b></p><p> B. carry
103、ing</p><p> B. bottles</p><p> B. determined</p><p><b> B. unless</b></p><p><b> B. get</b></p><p><b>
104、; B. leave</b></p><p> B. deliver</p><p><b> B. lead</b></p><p><b> B. trip</b></p><p><b> B. hungry&l
105、t;/b></p><p><b> B. afraid</b></p><p> B. sleeping</p><p> B. invitations</p><p> B. interests</p><p> B. thro
106、ugh</p><p><b> B. public</b></p><p><b> B. profit</b></p><p><b> C. crying</b></p><p> C. ashamed</p>
107、<p><b> C. help</b></p><p><b> C. buying</b></p><p><b> C. foods</b></p><p> C. energetic</p><p> C.&
108、#160;although</p><p><b> C. feel</b></p><p><b> C. keep</b></p><p><b> C. host</b></p><p><b> C. apply
109、</b></p><p> C. procedure</p><p><b> C. lonely</b></p><p><b> C. proud</b></p><p> C. traveling</p><p&g
110、t; C. replies</p><p><b> C. dreams</b></p><p> C. besides</p><p><b> C. normal</b></p><p> C. judgement</p>
111、<p><b> D. waving</b></p><p><b> D. upset</b></p><p><b> D. work</b></p><p> D. holding</p><p><b&g
112、t; D. bags</b></p><p> D. grateful</p><p><b> D. as</b></p><p><b> D. look</b></p><p><b> D. spread<
113、;/b></p><p><b> D. pack</b></p><p><b> D. agree</b></p><p><b> D. trial</b></p><p><b> D. sick</
114、b></p><p><b> D. sure</b></p><p> D. playing</p><p> D. appointments</p><p> D. efforts</p><p><b> D. al
115、ong</b></p><p><b> D. tough</b></p><p> D. difference</p><p> 第三部分:閱讀理解(共兩節(jié),</p><p> 第一節(jié)(共 15 小題;每小題</p><p><
116、b> 40 分)</b></p><p> 2 分,共 30 分)</p><p><b> 新東方在線高考網(wǎng)(</b></p><p> http://gaokao.koolearn.com/ )</p><p> 閱讀下列短文,從每題所給
117、的</p><p><b> 上將該項(xiàng)涂黑。</b></p><p> A 、 B、C 、D 四個(gè)選項(xiàng)中,選出最佳選項(xiàng),并在答題卡</p><p><b> A</b></p><p> It was a cold
118、0;March day in High Point, North Carolina. The girls on the Wesleyan Academy</p><p> softball were waiting for their next
119、 turns at bat during practice, stamping their feet to stay warm,</p><p> Eighth-grader Taylor Bisbee shivered( 發(fā)抖 ) a
120、0;little as she watched her teammate Paris White play.</p><p> The two didn ’t know each other well — Taylor had
121、0;just moved to town a month or so before.</p><p> Suddenly, Paris fell to the ground, “Paris’s eye rolled back, ”
122、160;Taylor says. “She started</p><p> shaking. I knew it was an emergency. ”</p><p> It certainly was, Paris had suff
123、ered a sudden heart failure. Without immediate medical care,</p><p> Paris would die.</p><p> At first no one moved.
124、The girls were in shock. Then the softball coach shouted</p><p> out, “Does anyone know CPR? ”</p><p> CPR is a&
125、#160;life-saving technique. To do CPR, you press zxxk on the sick person</p><p> ’s chest so that</p><p> blood moves
126、 through the body and takes oxygen to organs. Without oxygen the brain is damaging</p><p><b> quickly.</b></p><p&
127、gt; Amazingly, Taylor had just taken a CPR course the day before. Still, she hesitated. She didn ’t</p><p> think she
128、60;knew it well enough. But when no one else came forward, Taylor ran to Paris and began</p><p> doing CPR, “It
129、;was scary. I knew it was the difference between life and death, ”says Taylor.</p><p> Taylor ’s swift action helped
130、;her teammates calm down. One girl called 911. Two more ran to</p><p> get the school nurse, who brought a defibrill
131、ator, an electronic devices(</p><p> 器械 ) that can shock the</p><p> heart back into work. Luck stayed with them:
132、0;Paris ’heartbeat returned.</p><p> “I know I was really lucky, ”Paris says now. “Most people don ’t survive this. My
133、60;team saved</p><p> my life. ”</p><p> Experts say Paris is right: For a sudden heart failure, the single best
134、;chance for survival is</p><p> having someone nearby step in and do CPR quickly.</p><p> Today, Paris is back on
135、0;the softball team. Taylor will apply to college soon. She wants to be a</p><p><b> nurse.</b></p><p> “ I
136、60;feel more confident in my actions now,</p><p> ” Taylor says.</p><p> “ I know I can act under pressure</p>
137、<p> a scary situation.</p><p><b> ”</b></p><p><b> 新東方在線高考網(wǎng)(</b></p><p> http://gaokao.koolearn.com/ )</p><p> 56.Wha
138、t happened to Paris on a March day?</p><p> A.She caught a bad cold.</p><p> B. She had a sudden heart prob
139、lem.</p><p> C.She was knocked down by a ball.</p><p> D.She shivered terribly during practice</p><p> 57.Why does Par
140、is say she was lucky?</p><p> A.She made a worthy friend.</p><p> B. She recovered from shock.</p><p> C. She
141、0;received immediate CPR.</p><p> D.She came back on the softball team.</p><p> 58.Which of the following words can best
142、160;describe Taylor?</p><p> A.Enthusiastic and kind.</p><p> B.Courageous and calm.</p><p> C.Cooperative and generous.</p><p>
143、D.Ambitious and professional.</p><p><b> B</b></p><p> Inspiring young minds!</p><p> TOKNOW Magazine is a big hit i
144、n the world of children ’s publishing, bringing a unique</p><p> combination of challenging ideas and good fun to young
145、160;fans every month.</p><p> What is so special about TOKNOW magazine?</p><p> Well, it has no ads or promotions ins
146、ide —</p><p> instead it is jam-packed with serious ideas.</p><p> TOKNOW makes complex ideas attractive and</p><p> a
147、ccessible to children, who can become involved</p><p> in advanced concepts and even philosophy( 哲學(xué))</p><p> What’ s insid
148、e?</p><p> Every month the magazine introduces a</p><p> fresh new topic with articles, experiments</p><p> and creative
149、60;things to make — the magazine</p><p> also explores philosophy and wellbeing to make</p><p> sure young readers have
150、60;a balanced take on life.</p><p> —and they willsoon discover that TOKNOW</p><p> feels more like a club than just
151、 a magazine.</p><p> Sounds too good to be true?</p><p> Take a look online — evidence shows that thousands of
152、160;teachers and parents know a good</p><p><b> 新東方在線高考網(wǎng)(</b></p><p> http://gaokao.koolearn.com/ )</p><p> thing when they
153、60;see it and recommend TOKNOW to their friends.</p><p> Happy Birthday All Year!</p><p> What could be more fun than
154、 a gift that keeps coming through the letterbox every month?</p><p> The first magazine with your gift message will
155、arrive in time for the special day.</p><p> SUBSCRIBE NOW</p><p> □Annual Subscription</p><p> Europe£55</p><p> Rest
156、of World</p><p><b> 65 £</b></p><p> □Annual Subscription with Gift Pack</p><p> Includes a Mammoth Map, a pass
157、port Puzzle Booklet, and Subscription</p><p> Europe£60</p><p> Rest of World</p><p><b> 70 £</b></p><p> Refund
158、0;Policy — the subscription can be cancelled within 28 days and you can get your money</p><p><b> back.</b></p>
159、<p> 59. Why is TOKNOW a special magazine?</p><p> A. It entertains young parents.</p><p> B. It provides serious ad
160、vertisements.</p><p> C. It publishes popular science fictions.</p><p> D. It combines fun with complex concepts.</p><p> 6
161、0. What does TOKNOW offer its readers?</p><p> A. Online courses.</p><p> B. Articles on new topics.</p><p> C. L
162、ectures on a balanced life.</p><p> D. Reports on scientific discoveries.</p><p> 61. How much should you pay if you&
163、#160;make a 12-mouth subscription to TOKNOW with gift pack</p><p> from China?</p><p><b> A. £55.</b></p><p><b>
164、; B. £60.</b></p><p> 62. Subscribers of TOKNOW would get</p><p><b> C. £65.</b></p><p><b> .</b></p><
165、;p><b> D. £70.</b></p><p> A. free birthday presents</p><p> B. full refund within 28 days</p><p><b> 新東方在線高考網(wǎng)(
166、</b></p><p> http://gaokao.koolearn.com/ )</p><p> C. membership of the TOKNOW club</p><p> D. chances to meet the ex
167、perts in person</p><p><b> C</b></p><p> Measles(麻疹 ), which once killed 450 children each year and disabled even
168、160;more, was nearly</p><p> wiped out in the United States 14 years ago by the universal use of the MMR vaccine(<
169、;/p><p><b> 疫苗 ). But</b></p><p> the disease is making</p><p> a comeback, caused by a growing</p><p>
170、anti-vaccine movement and</p><p> misinformation that is spreading quickly. Already this year, 115 measles cases have been report
171、ed</p><p> in the USA, compared with 189 for all of last year.</p><p> The numbers might sound small, but they
172、160;are the leading edge of a dangerous trend. When</p><p> vaccination rates are very high, as they still are in th
173、e nation as a whole, everyone is protected.</p><p> This is called “herd immunity ”, which protects the people who g
174、et hurt easily, including those</p><p> who can ’t be vaccinated for medical reasons, babies too young to get vaccinated&
175、#160;and people on</p><p> whom the vaccine doesn ’t work.</p><p> But herd immunity works only when nearly the whole
176、 herd joins in. When some refuse</p><p> vaccination and seek a free ride, immunity breaks down and everyone is in
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