2017年高考一輪復(fù)習(xí)黃金學(xué)案――Unit 2  Healthy eating（必修三）

    short of moving to the countryside or at least away from busy roads, shielding yourself from the effects of air pollution is not easy. masks won't work, as many particles can slip right through. at the very least, suggests murray mittleman, a cardiologist at harvard university, people who regularly exercise outdoors near highways may want to consider remapping their route.  1. what does the underlined sentence in the first paragraph mean?  no 1 p 7     a. rocket scientists are making researches on people’s health.   b. it's obvious that air pollution has a bad effect on people’s health.   c. people aren't sure whether taking deep breaths on a smoggy day is bad.   d. people often have a hard time when taking deep breaths on a smoggy day. 2. the word "vulnerable" in paragraph 4 probably means _________.   a. easy to be hurt     b. easy to be protected    c. easy to be used     d. easy to be influenced 3. the main idea of paragraph 4 is _________.     a. that even small risk from particulate causes big problems     b. that air pollution often leads to heart attack      c. who are most likely to get affected    d. that we shouldn't worry about the average low risk 4. in order to be healthier, you'd better _________.    a. take deep breaths   b. wear a mask    c. live in a countryside  d. clean the busy road 5. the passage is written in a(n) _________ tone.    a. subjective         b. humorous    c. doubtful           d. objective答案：     本文主要介紹了空氣污染中的微笑顆粒是如何形成和影響人的健康的。1. b        句義理解題。讀完全文，結(jié)合上下文語(yǔ)境，不難看出作者此句話(huà)的目的是說(shuō)：不用研究高深科技的火箭專(zhuān)家（研究），人們也知道，在霧天深呼吸對(duì)身體健康不利。2. a    猜測(cè)詞義題。根據(jù)上下文可知老年人和小孩是最容易受到空氣污染的危害的故選擇a 項(xiàng)。3. a     歸納段落大意題。第4段就是講相對(duì)小的受污染的風(fēng)險(xiǎn)最終會(huì)導(dǎo)致很壞的后果。4. c       推理判斷題。由文章第一句話(huà)可知，深呼吸不一定能夠更加健康。根據(jù)最后一段中masks won’t work, as many particles can slip right through.可知b項(xiàng)是錯(cuò)誤的。最后一段中提到鄉(xiāng)村居住是一種降低空氣污染的途徑，又由文章最后一句people who regularly exercise outdoors near highways may want to consider remapping their route.可推出c項(xiàng)正確。由short-term exposure to traffic fumes tripled （成為3倍） the risk of heart attacks 可知d也不符合文意。

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