题目内容

【题目】自然资源是人类生存和发展的基础。下列说法,不正确的是( )

A. 矿产资源属于非可再生资源 B. 自然资源都是取之不尽、用之不竭的

C. 土地、阳光属于可再生资源 D. 应注意节约和保护自然资源

【答案】B

【解析】A选项我国自然资源总量大,但人均不足,故正确;B选项自然资源可分为可再生资源和不可再生资源两大类,化石燃料与矿产资源属于不可再生资源,故错误;C选项自然资源非为可再生资源和不可再生资源,土地、阳光、空气、水等属于可再生资源,故正确;D选项自然资源存在数量或质量上的显著地域差异,并有其特殊分布规律,所以应注意节约和保护,故正确。

【点晴】区别可再生资源和非可再生资源的重要依据是资源的更新周期,在人类历史时期可以更新的是可再生资源,更新周期长在人类历史时期难以更新的为非可再生资源。

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【题目】Choose the best answer and complete the passage(选择最恰当的选项完成短文)

I’m a member of my school’s debate team. ______ , we had a debate about an important topic. For a long time, there has been a ban (禁令) on using smartphones during class. The school’s administration (行政) was thinking about changing the rules.______, they had different opinions over this issue. So they asked the debate team for help.

The debate team was divided into two sides. I was on the side for changing the rules. The other side was for ______ the ban. We were given a week to prepare our arguments.

Our side made several good points. First, students can use their smartphones for ______. Students can do research, look up new words in the dictionaries, and use a calculator with their phones.

Also, changing the rules world teach students self-discipline (自律). If any students use their phone in class for other purpose, it should be ______. Students can easily learn why following rules are important.

Finally, changing the rules would make the teachers’ job ______. They wouldn’t have to collect and return phones every day. They also wouldn’t need to wait for students to take out and put away various school supplies. Everything they need is on their phones.

Our side convinced some of the teachers to change their minds. A week later, the administration voted to change the rules.

1A.LuckilyB.ActuallyC.RecentlyD.Suddenly

2A.ThereforeB.HoweverC.What’s moreD.In other words

3A.cancellingB.introducingC.removingD.continuing

4A.communicationB.educationC.entertainmentD.emergency

5A.picked upB.turned onC.taken awayD.called back

6A.easierB.saferC.more popularD.more independent

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