央视知名记者柴静自费制作的关于环境污染的纪录片《穹顶之下》引起强烈反响。假如你是李华，请用英语给21世纪英文报写一封信，表达你的观点。
内容包括：
1. 阐述柴静所做的事对我们生活的影响；
2. 面临环境污染我们能做些什么。
注意：
1. 词数100左右；
2. 开头和结尾已给出，不计入总词数。
Dear editor,
After watching the movie Under the Dome, I was deeply moved by what Chai Jing did. ____________________________________________________________________________________________
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Best wishes!
Yours,
Li Hua
短文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏字符号（∧），并在其下面写上该加的词。
删除：把多余的词用斜线（＼）划掉。修改：在错的词下划一横线，并在其下面写上修改后的词。
注意：1．每处错误及其修改均仅限一词；
2．只允许修改10处，多者（从第11处起）不计分。
With more and more cars come into our families, we are happy that it has greatly improved our life. But unlucky, it has also brought many problems, such as heavy traffic and traffic accidents.
Traffic safety is everybody’s business. We must obey the rules. For examples, we must walk on the sidewalks. When we cross zebra-crossing, stop and look right and left, and then go across fast. Don’t play the football on the road. Beside, we can tell our parents not to drink after we drive, not to run through red lights, not to use cell-phones while driven etc.
We can say cars are coming into our life, but only when everybody thought traffic safety is his or her business can we be safe driving on roads and walk on sidewalks.
阅读下面短文，在空白处填入适当的内容或括号内单词的正确形式。
How Learning Habits Influence On Learning Results. It’s useful and necessary to discuss learning habits. There is a famous saying “Good habits lead to good endings.”, 1. shows the importance of habits.
“An apple a day keeps doctor away .”also shows how a healthy everyday habit helps to build up our body.2., good learning habits can help us gain great learning results3. (include) high scores and abundant knowledge. At first, learning habits form our ways of thinking and attitudes4. the content of our learning. Obviously, a good habit can help us to speed up to reach our destinations.5. we can see, cultivating a good habit is so important 6. I would like to introduce one kind of good learning habits----keep a learning diary every day. We can start the habit by7.write) learning summary and remember to record something impressive and8. (mean). Keep it in mind, and gradually we can gain this good learning habit and benefit from it.
What’s more, I find out that I still have some bad learning habits as well. I can9. concentrate on reading for a short time and I10. ( conquer) this problem by spending more effort on concentration practice.
I believe that through my efforts, I can gain good learning results by having good habits.
Scott and his four companions were terribly disappointed. When they got to the South Pole, they found the Norwegians had________them in the race to be the first ever to reach it. After________ the British flag at the Pole, they took a photograph of themselves _______ they started the 950-mile journey back.
The journey was unexpectedly ________ , and the joy and excitement about the Pole had gone out of them. The sun hardly _______ . The snow storms always made it impossible to sight the stones they had ________ to mark their way home. To make things ________ , Evans, whom they had all thought of ________ the strongest of the five, fell badly into a deep hole in the ice. Having ________ along for several days, he suddenly fell down and died.
The four who were ________ pushed on at the best speed they could ________. Captain Oates had been suffering for some time from his ________ feet; at night his feet swelled(肿胀) so large that he could ________ put his boots on the next morning, and he walked bravely although he was in great _______ . He knew his slowness was making it less likely that ________ could save themselves. He asked them to leave him behind in his sleeping-bag, but they refused, and helped him ________ a few more miles, until it was time to put up the _______ for another night.
The following morning, ________ the other three were still in their sleeping-bags, he said, “I am just going outside and may be ________ some time.” He was never seen again. He had walked out ________ into the snow storm, hoping that his death would help his companions.
1.A. hit B. fought C. won D. beaten
2.A. growing B. putting C. planting D. laying
3.A. after B. until C. while D. before
4.A. safe B. fast C. short D. slow
5.A. rose B. set C. appeared D. disappeared
6.A. taken up B. cut up C. set up D. picked up
7.A. easier B. better C. bitter D. worse
8.A. to B. upon C. as D. in
9.A. battled B. struggled C. speeded D. waited
10.A. left B. lost C. defeated D. saved
11.A. manage B. try C. employ D. find
12.A. ached B. frozen C. harden D. harmed
13.A. hardly B. never C. seldom D. nearly
14.A. pain B. fear C. trouble D. danger
15.A. all others B. some others C. others D. the others
16.A. away B. with C. off D. on
17.A. bed B. tent C. blanket D. sleeping-bag
18.A. while B. since C. for D. once
19.A. missed B. separated C. passed D. gone
20.A. patiently B. lonely C. alone D. worriedly
A student's life is never easy. 1. A lot of preparations are needed so you can be sure to go back home with a diploma and a bright future waiting for you. The following are some basic things you need to do before even seizing that passport and boarding on the plane.
●Knowing the country.
You shouldn't bother researching the country's hottest tourist spots or historical places. You won't go there as a tourist, but as a student. It'll be helpful to read the most important points in their history and to read up on their culture.2. You surely don't want to face legal problems, especially if you're away from home.
●Studying their language.
Don't expect that you can graduate abroad without knowing even the basics of the language. Before leaving your home country, take online lessons to at least master some of their words and sentences.3. Doing this will also prepare you in communicating with those who can't speak English.
● 4.
Check the conversion（兑换）of your money to their local currency, set up your bank account so you can use it there, get an insurance, and find an apartment. The Internet or your intended school will be very helpful in finding an apartment and helping you understand local currency.
Remember, you're not only carrying your own reputation but your country's reputation as well. If you act foolishly, people there might think that all of your country men are foolish as well.5.．
A. Packing your clothes.
B. Preparing for other needs.
C. Most importantly, read about their laws.
D. This will be useful in living and studying there.
E. That would surely be a very bad start for your study abroad program.
F. Going with their trends will keep it from being too obvious that you're a foreigner.
G. And it is even more difficult if you will have to complete your study in a foreign land.
Big trees are incredibly important ecologically. For a start, they provide food for countless other species and shelter for many animals. With their tall branches in the sun, they capture vast amounts of energy. This allows them to produce massive crops of fruit and flowers that sustain much of the animal life in the forest.
Only a small number of tree species have the genetic ability to grow really big. The biggest are native to North America, but big trees grow all over the globe, from the tropics to the forests of the high latitudes (纬度). To achieve giant size, a tree needs three things: the right place to establish its seedling, good growing conditions and lots of time with low adult death rate. Lose any of these, and you will lose your biggest trees.
In some parts of the world, populations of big trees are dwindling(逐渐变少) because their seedlings cannot survive. In southern India, for instance, an aggressive non-native bush, Lantana camara, is invading the floor of many forests. Lantana grows so thickly that young trees often fail to take root. With no young trees to replace them, it is only a matter of time before most of the big trees disappear.
Without the right growing conditions, trees cannot get really big and there is some evidence to suggest tree growth could slow in a warmer world, particularly in environments that are already warm. Having worked for decades at La Selva Biological Station in Puerto Viejo de Sarapiqui, Costa Rica, David and Deborah Clark and colleagues have shown that tree growth there declines markedly in warmer years. “During the day, their growth shuts down when it gets too warm, and at night they consume more energy because their metabolic (新陈代谢) rate increases,” explains David Clark. With less energy produced in warmer years and more being consumed just to survive, there is even less energy available for growth.
The Clarks’ theory, if correct, means tropical forests would shrink over time. The largest, oldest trees would progressively die off and tend not to be replaced. According to the Clarks, this might cause a destabilization(不稳定) of the climate; as older trees die, forests would release some of their stored carbon into the atmosphere, causing a cycle of further warming, forest shrinkage and carbon emissions.
Besides, big trees face threats from elsewhere.
1.According to the passage, big trees make great contributions to the ecosystem because .
A. they can capture large amounts of energy.
B. they determine the change of global climate.
C. they provide the essentials for many creatures.
D. they can avoid a new cycle of further warming.
2.All the following factors are a must for making big trees EXCEPT .
A. no deadly damage B. genetic contribution
C. ideal environment for growth D. high-latitude location
3.What is the best title of the passage?
A. Big trees in trouble. B. Advantages of big trees.
C. Results of big trees’ disappearing. D. Importance of big trees to humans.
4.What will the author most probably discuss after the last paragraph?
A. More threats to the existence of big trees.
B. The effect of human activities on big trees.
C. Benefits of big trees to the whole atmosphere.
D. Comparison between common trees and big ones.
