The Mekong River Commission has found no evidence the dams on the upper reaches have an influence on the water flow downstream.A．thatB．whichC．whereD．what 题目和参考答案——青夏教育精英家教网—

题目内容

The Mekong River Commission has found no evidence the dams on the upper reaches have an influence on the water flow downstream.

A．that

B．which

C．where

D．what

解析试题分析：句意：湄公河委员会发现没有证据表明上游的水坝对下游的水流量有影响。evidence后接的是同位语从句，that在句子中不做成分也没有意思，只对evidence进行解释说明。
考点：名词性从句
点评：名词性从句是高考必考点，名词性从句分为主语、宾语、表语、同位语从句四种，除宾语从句外，同位语从句和定语从句的区别是高考常考点。同位语从句和定语从句的区别在于：that作为关系代词，可以引导定语从句，充当句子成分，在从句中作宾语时可以省略； that引导同位语从句时，起连词的作用，没有实际意义，不充当句子成分，一般不能省略。

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Climate change, pollution, overuse of water and development are killing some of the world’s most famous rivers including China’s Yangtze, India’s Ganges and Africa’s Nile, WWF said on Tuesday．At the global launch of its report “World’s Top 10 Rivers at Risk”, the group said many rivers could dry out, affecting hundreds of millions of people and killing unique aquatic life．

“If these rivers die, millions will lose their livelihoods, biodiversity will be destroyed on a massive scale, there will be less fresh water and agriculture, resulting in less food security,” said Rayi Singh, secretary-general of WWF-India．The report launched ahead of “World Water Day” today, also cited the Rio Grande in the United States, the Mekong and Indus in Asia, Europe’s Danube, La Plata in South America and Australia’s Murray-Darling as in need of greater protection．

Rivers are the world’s main source of fresh water and WWF says about half of the available supply is already being used up．Dams have destroyed habitats and cut rivers off from their flood plains while climate change could affect the seasonal water flows that feed them, the report said．Fish populations, the top source of protein and overall life support for hundreds of thousands of communities worldwide, are also being threatened, it found… The Yangtze basin is one of the most polluted rivers in the world because of decades of heavy industrialization, damming and huge influxes of sediment from land conversion．

Climate change, including higher temperatures, also means serious consequences for fishery productivity, water supply and political security in Africa’s arid Nile basin．Tributaries flowing into the Ganges are drying up because of irrigation, WWF said．

What does the text mainly talk about?

A．Saving fresh water in our life． B．How to protect our rivers．

C．An important discovery． D．World’s top 10 rivers are at risk．

We can infer from the text that _____．

A．rivers’ dying out could affect food security

B．there are four Asian rivers mentioned in the passage

C．the Yangtze is polluted thanks to the lack of enough tributaries

D．higher temperatures couldn’t affect fishery productivity

The top 10 rivers are fast dying as a result of the following EXCEPT _____．

A．climate change B．wasting water

C．pollution D．dams

WWF is probably a name of _____．

A．an organization B．a newspaper C．a magazine D．a report

阅读下面短文，掌握其大意，然后从方框中选出能填入文中空白处的最合适的单词，并将该单词的标号（A、B、C、D、E…）填写在答题卡对应题号的横线上。

A. usual B. graduating C. give D. shortcoming E. hardly

F. schedule G. made H. Ever I. that J. organize

I am Wang Kun. 1 since middle school, my sister and I have dreamed about taking a bike trip along the Mekong River. After 2 from college, we got the chance to make our dream come true. My sister planned our 3 for the trip. I am fond of my sister but she has a serious 4 . Sometimes she can be really stubborn. Once she has 5 up her mind, nothing can change it. Although she didn’t know the best way to get to places, she insisted that she

6 the trip. I had to 7 in to her. My sister rode in front of me as 8 . We reached Tibet first. It was snowing and our legs were so heavy and cold 9 they felt like blocks of ice. However, it was great fun as we found ourselves cycling through clouds. Our next stop is Yunnan Province, where we can see our cousins. We can 10 wait to see them!

单词拼写（每小题1分，满分10分）

1.When asked whether he would give up, he gave us a d___________ look, which meant he would not change his mind.

2.One third of the people in the building were killed or i_________ (受伤) during the big fire.

3.After the flood, nearly everything was d_______(摧毁)) and the villagers sank into sadness.

4.The film Red Sorghum（红高粱） is b________ on the novel written by Mo Yan, who won the Nobel Prize for literature (文学) this year.

5.Do keep c___________ when facing something emergent (危急情况).

6.My father is a heavy smoker. I ever tried to p_________ him to give up smoking but I failed.

7.After g__________ from college, Wang Kun and Wang Wei finally got the chance to cycle along the Mekong River from where it begins to where it ends.

8.Playing games on the Internet _____________(频繁地) does harm to your health.

9.Compared with Tom, I think Lily is much more _______________( 可信赖的)

10.__________________(祝贺) to you on passing the exam and getting the first prize.

-- Miss Wang ,I hear that you ___________along the Mekong River. Have you got everything ready?

--Almost.

A. is travelling B. are travelling C. travelled D. would travel

根据所学课文内容填空(每空0.5分，共计7分)

I am ___1__ of my sister but she has one serious ____2___. She can be really __3__. Although she didn’t know the best way of getting to places, she insisted that she __4___ the trip properly. Now I know that the proper way is always her way. I kept asking her, “When are we leaving and when are we ___5___ back?” I asked her whether she had looked at a map yet. Of course she hadn’t; my sister doesn’t care ___6__ details. So I told her that the 7 _ of the Mekong is in Qinghai Province. She gave me a ___8__ look-- the kind that said she would not change her mind. When I told her that our journey would begin 9 an altitude of more than 5,000 metres, she seemed to be excited about it. When I told her the air would be hard to ___10__ and it would be very cold, she said it would be an interesting ___11__. I know my sister well. ___12___ she has made up her __13__, nothing can change it. Finally, I had to give 14 .

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