近年高考英语一轮复习练习题Unit2TheOlympicGames(含解析)新人教版必修2(202
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2019高考英语一轮复习练习题 Unit 2 The Olympic Games（含解析）新人教版必修2
1 / 111 2019高考英语一轮复习练习题 Unit 2 The Olympic Games（含解析）新人教版必修2
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2019高考英语一轮复习练习题 Unit 2 The Olympic Games（含解析）新人教版必修2
2 / 112 The Olympic Games
李仕才
【阅读理解插花】
Vitamin B could help reduce the effects of the most dangerous type
of air pollution， according to a new study published on Monday. In
the first study of its kind， a team of international researchers looked
into the damage caused by one of the pollutants that have the severest
impact on health—PM 2. 5.
They found that Vitamin B supplement could effectively reduce the
impact of the tiny particles(颗粒)on the human body, although they
stressed that the research was in its early stages。 According to the
WHO， 92％ of the world's people are living in places where the PM 2。
5 level goes beyond the recommended level. So it's urgent to find a
solution to the problem。
According to this study, published in the PNAS, 10 volunteers were
initially exposed to clean air and given a placebo(安慰剂)to check
their baseline responses. The group then kept on taking placebos for
four weeks before being exposed to heavily polluted air from downtown
Toronto， where an estimated 1， 000 cars passed every hour。 The bad
air was delivered to the volunteers through an “oxygen type” face
mask. The experiment was then repeated， with each volunteer taking 2019高考英语一轮复习练习题 Unit 2 The Olympic Games（含解析）新人教版必修2
3 / 113 a Vitamin B supplement daily， made up of 2. 5 mg of folic acid, 50
mg of Vitamin B6, and 1 mg of Vitamin B12.
Vitamin B6 can be found in liver， chicken, nuts and other things，
and Vitamin B12 in fish， meat, eggs， milk and some cereals。 The
researchers found that four weeks of Vitamin B supplements reduced the
damage of PM 2. 5 effects by 28-76％. The results emphasized how
prevention at an individual level could be used to fight against the
damage of PM 2。 5， the researchers said.
【文章大意】本文主要通过一些实验告诉我们维生素B对减轻PM 2. 5对身体的伤害有什么样的功效.
1。 What’s the newly discovered effect of Vitamin B in Paragraph 1？
A. It can be used to replace other vitamins in our daily life.
B。 It can help lower the air pollution level in the open air。
C. It can reduce the impact of PM 2. 5 on human bodies。
D。 It can get rid of the pollutants remaining in our bodies。
【解析】选C.细节理解题。根据第一段“Vitamin B could help reduce the
effects of the most dangerous type of air pollution, according to a
new study published on Monday. ”， 可知维生素B可以减少造成空气污染的危险物质的影响， 而后一句又提到了对健康危害最大的危险物质是PM
2。 5, 故选C。
2。 What can be learned from the second paragraph?
A。 Further study about the effect of Vitamin B needs to be done. 2019高考英语一轮复习练习题 Unit 2 The Olympic Games（含解析）新人教版必修2
4 / 114 B。 Vitamin B is the most important to human's health。
C。 The tiny particles in the air are made up of PM 2. 5.
D。 92％ of the world’s people are affected by PM 2。 5。
【解析】选A。细节理解题。根据第二段“。 . 。 although they stressed
that the research was in its early stages。 ”可知关于维生素B的功效的研究还处于初期阶段, 所以仍需进一步的研究探索.
3. How did researchers draw the new conclusion about Vitamin B？
A. By referring to a journal.
B。 By performing experiments.
C. By interviewing scientists.
D。 By comparing vitamins。
【解析】选B.推理判断题。根据倒数第二段“The experiment was then
repeated, with each volunteer taking a Vitamin B supplement daily，
made up of 2。 5 mg of folic acid， 50 mg of Vitamin B6, and 1 mg of
Vitamin B12。 ”， 中的experiment表明研究者是通过做实验得出新的结论的。
4. You may read the passage on a website about ________。
A. environment B。 medicine
C. education D. health
【解析】选D.推理判断题。本文主要通过一系列实验告诉我们维生素B可以减轻PM 2。 5对我们身体的伤害， 主题围绕着健康展开， 故选D。
Ⅰ 教材与语法填空 2019高考英语一轮复习练习题 Unit 2 The Olympic Games（含解析）新人教版必修2
5 / 115 根据教材课文内容，在空白处填入1个适当的单词或括号内单词的正确形式。
Pausanias and Li Yan are talking about the similarities and 1。
（different) between the ancient and modern Olympics。 The ancient
Olympic Games were first held in Athens， in which only men from the
Greece had the honour 2。 (compete). Now great changes
3.
（take) place to the Games。 There’re two main sets of Olympic Games
4。 （hold) on a regular basis。 Only athletes 5。 have
reached the agreed standard will 6. （admit) as competitors。
Nowadays any country can take part in the Games. Women play a very
important role 7. the Games. Countries compete with each other
8。 （host） the Games。 9. is a great responsibility and
