2019版高考英语一轮基础习选题 Unit 4 Pygmalion(含解析)新人教版选修8.doc
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1、1UnitUnit 4 4 PygmalionPygmalion李仕才 一、阅读理解。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 tha
2、t have the severest impact on healthPM 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 worlds people are living in places wher
3、e the PM 2. 5 level goes beyond the recommended level. So its 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
4、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 a Vitamin B supplement dai
5、ly, 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.
6、 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. Whats the newly discovered effect of Vitamin B in Paragraph 1? A. It can be used to re
7、place other vitamins in our daily life. B. It can help lower the air pollution level in the open air. 2C. 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 dangerou
8、s 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. B. Vitamin B is the most important to humans he
9、alth. C. The tiny particles in the air are made up of PM 2. 5. D. 92% of the worlds 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
10、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
11、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. medicineC. educationD. 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。二、单句语法填空31We had no _ (hesitate) in helping the sufferers when the terri
12、ble earthquake hit the country.答案:hesitation have no hesitation in doing . “毫不犹豫地做” 。2_ (classify) so many books in libraries usually takes them lots of time.答案:Classifying 句子中缺少主语,且指一般性情况,故应填动名词classifying,在句中作主语。3Generally _ (speak), youths of eighteen are too young for such work.答案:speaking gener
13、ally speaking “一般来说” 。4What you said has led to the _(mistake) belief that smoking is not harmful.答案:mistaken 修饰名词 belief 应用形容词,故填 mistaken “错误的” 。5The school makes it clear that essays from online should not be passed off _being written by the students.答案:as pass . off as . “把看作或冒充成” 。6_if we invit
14、ed them to come here for a party instead?答案:What 固定句式 what if “倘使/如果将会怎样?” 。7Parents should teach their children to behave _(proper) in public.答案:properly 此处应用副词来修饰动词 behave, 故填properly。8They made rude _(remark) about her appearance.答案:remarks make remarks/a remark about . “对发表评论” 。9The information
15、you gathered is _ great help to me.答案:of “of抽象名词”相当于其对应的形容词,of great helpvery helpful “非常有帮助” 。10_(take) according to the instructions, the medicine has no side effect.答案:Taken 所给动词与其逻辑主语 medicine 之间为被动关系,故用过去分词作状语。三、完形填空。I was surprised when I received a short message from my father wishing me a ha
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