河南省南阳市第一中学2018-2019学年高一下学期3月月考英语试题

适用年级:高一
试卷号:659816

试卷类型:月考
试卷考试时间:2019/4/4

1.阅读理解(共1题)

1.

   Smoking is harmful. But as soon as you quit the habit, everything will be OK, right? Wrong.

New research has found that even if you give up smoking, the damage it has done to your genes will stay there for a much longer time. In the research, a team of US scientists studied the blood of 16,000 people. Among them, some were smokers, some used to smoke, and the rest were non-smokers. Scientists compared their genes and found that more than 7,000 genes of smokers had changed--a number that is one-third of known human genes.

According to NBC News, both heart disease and cancer are caused by genetic changes. Some people may have had the changes when they were born, but most people get them in their day-to-day lives while doing things like smoking.

When you stop smoking, a lot of these genes will return to normal within five years.

This means your body is trying to heal (治愈) itself of the harmful effects of smoking. But the changes in some of the genes stay for longer. They can stay for as long as 30 years, It’s almost like leaving a footprint on wet cement (水泥)----it will always be there, even when you’ve walked away and when the cement becomes dry.

Although the study results may make people unhappy, there is a bright side: the findings could help scientists invent medicine to treat genetic damage caused by smoking or find ways to tell which people have heart disease or cancer risks.

【小题1】The function of Paragraph 1 is to_________ .
A.introduce the topic of the passageB.give an example
C.make an argumentD.show the main idea of the passage
【小题2】Most genetic changes happen because of___________ .
A.people’s condition at birthB.environmental pollution
C.people’s bad living habitD.heart disease and cancer
【小题3】The underlined word “it” in Paragraph 5 refers to__________ .
A.the footprintB.the cement
C.the harmful effectD.the genetic change
【小题4】Which of the following statements is true?
A.The findings are the fruit of more than three years’ research.
B.The findings have prevented more people from starting smoking
C.The findings offer evidence that a damaged gene can heal itself.
D.The findings help to find cures for genetic damage caused by smoking.
试卷分析
  • 【1】题量占比

    阅读理解:(1道)

  • 【2】:难度分析

    1星难题:0

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    9星难题:1