题目内容

【题目】In North America, most students go to school o1 the school buses. Some students also walk or r2bikes to school. In other parts of the w3, things are d4. In Japan, most students t5 trains to school, although o6 also walk or ride bikes. In China, it depends on w7 you are. In big c8, students usually ride bikes or take buses to school. And in places where there are rivers and lakes, like Hong shanhu, Hubei a9 Kaishandao, students usually go to school by b10. That must be a lot more fun than taking a bus.

【答案】

1on

2ride

3world

4different

5take

6others

7where

8cities

9and

10boat

【解析】短文大意:世界各地学生的交通方式不同,本文主要介绍了北美、日本和中国学生他们是如何到校的。

1句意:在北美洲,大多数学生乘校车上学。on介词,在...上面;固定搭配on the bus乘公共汽车,on the school buses乘校车,表示交通方式。故填:on。

2句意:一些学生也步行或骑自行车上学。ride动词,骑;ride bikes骑自行车。some students在句中作主语,复数含义,所以动词用原形。故填:ride。

3句意:在世界的其它地方,情况是不同的。world名词,世界;in the world在世界上。In other parts of the world在世界的其它地方。故填:world。

4句意:在世界的其他地方,情况是不同的。different 形容词,不同的;be +形容词,在句中构成系表结构,形容词在句中作表语。故填:different。

5句意:在日本,大多数学生乘火车上学,尽管其他人也步行或骑自行车。 take动词,take trains乘火车。most students在句中作主语,复数含义,所以动词用原形。故填:take。

6句意:在日本,大多数学生乘火车上学,尽管其他人也步行或骑自行车。others代词,其他的,相当于other students。 故填:others。

7句意:在中国,这取决于你在哪里。where副词,在哪里;where引导的问句在本句中作宾语。故填:where。

8句意:在大城市,学生通常骑自行车或乘公共汽车上学。city名词,城市;cities名词复数; in big cities在大城市里。故填:cities。

9句意:在有河流和湖泊的地方,像红珊瑚、湖北和开山岛,学生们通常乘船去学校。and连词,和、又,表示并列关系。故填:and。

10句意:在有河流和湖泊的地方,像红珊瑚、湖北和开山岛,学生们通常乘船去学校。boat名词,船;固定表达by boat乘船,表示交通方式。故填:boat。

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【题目】 Scientists in Britain and the United States have made a new kind of enzyme(酵素)that eats plastics. 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 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 plasticeating abilities work faster and better.

John McGeehan, one of the lead researchers, said, “We've made an improved enzyme. It's better than the natural 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(大量地). “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完成句子:

With the help of this new enzyme, plastics can be________________ smaller parts and go away quickly.

2完成句子:

PET can pollute large areas of ________________.

3简略回答问题: What did the researchers find according to the passage?

____________________________________________

4找出并写下文章的主题句:

____________________________________________

5将文中画线句子译成汉语:

____________________________________________

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