题干

环境保护
怒江是我国尚待开发的大型水电能源基地之一,尚未开发的水能资源大多位于生态环境敏感区,下图中为规划中的梯级电站示意图,目前怒江水电开发计划备受争议。

分析怒江水电开发建设对流域环境带来的不利影响。
上一题 下一题 0.0难度 选择题 更新时间:2020-02-27 11:14:14

答案(点此获取答案解析)

工程建设占用土地,砍伐和毁坏森林,植被破坏严重,使得流域生态环境恶化;改变水生生物的生长环境,阻断陆生生物的迁徙和交流;电站工程的修建过程加剧水土流失,增加河道的淤积;库区淹没和工程占用的耕地临时或永久地丧失耕种功能,库区水位的变化影响当地的农业灌溉系统;影响自然生态景观和库区内自然保护区的保护对象。

同类题1

根据短文内容, 从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。   

The Winner's Guide to Success

    Do you know what makes people successful? To find out the answers, an American scholar recently visited some of the most successful people around the world. ____

    Be responsible for yourself

    Sometimes you may want to blame others for your failure to get ahead. In fact, when you say someone or something outside of yourself is stopping you from making success, you're giving away your own power. ____

    Write a plan

    It is very difficult to try to get what you want without a good plan. It is just like trying to drive through strange roads to a city far away.____ Without this "map", you may waste your time, money and also your energy; while with the "map" you'll enjoy the "trip" and get what you want in the shortest possible time.

    Be willing to pay the price

    ____ So you must be ready to work hard — even harder than you have ever done. If you are not willing to pay the price, you won't get anything valuable.

    ____     

    It seems to us that everyone knows this. But it is easier said than done. When you are doing something, you must tell yourself again and again: Giving up is worse than failure because failure can be the mother of success, but giving up means the death of hope.

A. Never give up.

B. Nothing is easy to get.

C. A good plan is like a map to you.

D. Here are some keys to success that they give.

E. Some people achieve success much later in life.

F. You're saying, "You have more control over my life than I do."

G. Someone else's opinion of you doesn't have to become your reality.

同类题5

阅读下面短文,从短文后各题所给的 A、B、C 和 D 四个选项中,选出可以填入空白处的最佳选项。

    A boy from a farmer's family stopped from school due to poverty, and went back farming to1the family. When he grew up to 19 years old, his father died. After that, all the family2 him including his mother and grandma in sickness.

    At first, he 3a pool and wanted to feed fish. But others told him it couldn't be used to feed fish, but only to grow crops. What he could do was to cover the pool and thereafter he became a  4.

    Then he heard raising chickens was a way of making money.  He borrowed some money from relatives and  5  chickens.  6  a flood attacked the town, and after that all the chickens got sick and        almost  7. His mother could hardly 8  it and died in the gloom.

    He 9the businesses of making wine, fishing or even digging embrasures (炮眼) on the cliff for others.

    When he was 35, he had no wife, no money, but only lived in a house made from earth which would 10in any storm. But he still wanted to 11 . He borrowed some money to buy a truck. But when he   drove it on the road after a short while, he had an  12  and broke his leg. He became crippled. Everyone said he was  13 .

    But later he became a boss, who owned a capital of 200 million. Now lots of people know his past and his business experiences. A journalist made a(n) 14with him.

    “Why do you  15after so many failures?”

    He was sitting in front of a broad table and just had finished a cup of water. Then he held the16cup in hand and asked, “If I loose my hand, what will happen to this cup?”

    “Broken!” answered the journalist.

    He 17his hand and the cup fell to the floor, with a bang sound, but not 18.

    “Even if ten people were there they would believe it was broken. But, it isn't a(n)  19cup. It is made of  20.”