Playing on the road is very dangerous，so my mother always asks me ________on it.
A. don't play B. not play C. not to play D. to play
科目：初中英语 来源：人教新目标八年级下册Unit 2 I 题型：单选题
All eggs look similar ____ one another，but not two eggs are the same _____ each other.
A. to；to B. as；as C. to；as D. as；to
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科目：初中英语 来源：人教新目标八年级下册Unit 2 I 题型：单选题
His sister became a volunteer ________ the age of nine.
A. with B. in C. at D. on
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科目：初中英语 来源：人教新目标八年级下册Unit 2 I 题型：单选题
（2016广州深圳中考） — My mum is ill. I have to stay at home and look after her.
—I'm sorry to hear that. I hope she can get better soon.
A. look at B. look for C. care for
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科目：初中英语 来源：人教新目标八年级下册Unit 2 I 题型：单选题
Tom often helps his teachers________exercise?books.
A. give out B. give up C. give in D. give to
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科目：初中英语 来源：人教新目标八年级下册Unit 2 I 题型：单选题
I took my sister to the concert to ________．
A. cheer up her B. cheer her up C. cheer she up D. cheer up she
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科目：初中英语 来源：牛津英语七上Unit 5单元测试 题型：单选题
There is ________ “m” and ________ “u” in the word “much”.
A. a; a B. an; an C. a; an D. an; a
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科目：初中英语 来源：江西省景德镇市2019届九年级上学期期中考试英语试卷 题型：单选题
Before she went to Canada she spent as much time as he could _______ English.
A. practice to speak B. practicing speaking
C. to practice to speak D. practice speaking
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科目：初中英语 来源：重庆市2018年中考英语试卷 题型：阅读单选
Scientists in Britain and the United States have made a new kind of enzyme(酵素) that eats plastics(塑 料). With its help, plastics can be turned into smaller parts and go away quickly. Scientists believe that, in the future, it could solve the problem of plastic pollution.
The enzyme is able to break down PET, a form of plastic. PET was first made in the 1940s and is now widely used to make plastic bottles. It can remain in the environment for many years and pollute large areas of land and water. So it has always been a headache to deal with the waste from PET and other plastics.
The researchers made the discovery(发 现) while examining the structure of a natural enzyme in Japan. They found that the natural enzyme was helping to break down PET plastics. So, they decided to make small changes to the enzyme by adding some amino acids(氨 基 酸). It made the natural enzyme’s plastic-eating abilities work faster and better.
John McGeehan, one of the lead researchers, said, “We’ve made an improved enzyme. It’s better than the naturl one. And we are trying to make more improvements to it.” He went on, “The enzyme is not harmful to humans or animals,and it is friendly to the environment. So we are considering putting it into wider use.”
The team is now trying to make the enzyme break down PET in large quantities(大量的). “We’ll see that the plastic pollution may be stopped with this technology. However,there is still a long way to go,”John McGeehan added.
1.According to the scientists, the enzyme may solve the poblem of pollution.
A. air B. water C. light D. plastic
2.The underlined phrase “break down” in the passage probably means “ ” in Chinese.
A. 实验 B. 生产 C. 发明 D. 分解
3.Researchers discovered that a natural enzyme helped eat plastics .
A. in B. in the US C. in Japan D. in China
4.Which of the following is TRUE according to the passage?
A. The scientists are sill trying to improve the enzyme.
B. The enzyme will pollute large areas of land and water.
C. The natural enzyme woks better than the improved one.
D. The natural enzyme is harmful to humans and animals.
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