题目内容

【题目】2013年8月14日15时50分强台风“尤特”登陆广东西部沿海地区,登陆时,中心附近最大风力14级。“尤特”进入茂名市境内,中心附近最大风力仍有12级。根据材料完成下列问题。

1台风过境前后,下列做法不正确的是( )

A. 台风来临前搬走窗口等处的花盆

B. 大风雨就近在临时建筑物旁躲避

C. 台风来临前准备好食物、水等必要的应急物品

D. 台风中心刚过,立刻离开安全地带

2台风过境后,可能带来的灾害有( )

A. 滑坡 B. 地震 C. 干旱 D. 洪涝灾害

【答案】

1D

2A

【解析】我国是一个自然灾害频繁的国家,包括地质灾害和气象灾害两大类,其中气象灾害有干旱、洪涝、寒潮、台风等灾害。

1台风过境前后,下列做法中,“台风来临前搬走窗口等处的花盆”、“大风雨就近在临时建筑物旁躲避”和“台风来临前准备好食物、水等必要的应急物品”都是对的,只有“台风中心刚过,立刻离开安全地带”是不正确的,因为台风中心附近有更大的风,故选D。

2台风是形成于热带海洋的气旋,台风过境时往往带来狂风大雨,造成洪涝灾害,过境后,可能还会带来滑坡、泥石流等灾害,故选A。

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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:

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5将文中画线句子译成汉语:

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