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| Two out of every five species on the planet that have been estimated by scientists face extinction. This figure comes from the latest World Conservation Union Red List of Endangered Species, published this week. In all, 16,119 animal and plant species are in danger of extinction. “From the poles(地球的两个极点) to the desert, species loss is increasing, not slowing down”, says IUCN director-general Achim Steiner. The main cause, as ever, is people, both directly and indirectly. While hunting and habitat(栖息地) loss continue to have a serious effect on species numbers, global warming is another threat. In the polar regions (极地)，the summer sea ice that polar bears depend on is rapidly disappearing, and the latest estimates suggest that the ice will be reduced at least by fifty percent in area over the next century. Although polar bears are strong swimmers, yet large numbers of them will starve or drown as global warming melts the Arctic’s ice sheets. The world’s deserts may be expanding, but the animals that live in and around them are not faring well. It’s particularly difficult for the endangered species of the extreme habitat to recover their numbers. Meanwhile, our increasing demand for fish and water is placing the species in rivers and oceans in great danger. As shallow-water fish stocks get reduced, fishermen’s dropping nets and lines into deeper waters are taking their toll on species there. “This trend can’t be stopped. Environmentalists alone can not save the world’s species in danger”, says Steiner, “but conservation (保护) can work. It must become the responsibility of everyone to act”. 1 All the following statements are the causes of animal extinction except ______. A. hunting and habitat loss B. increasing demand for fish and water C. the expanding of world’s deserts D. global warming 2. According to the passage, which of following statements is TRUE? A. Only the species of the poles and deserts are facing extinction. B. As a result of the globe warming, polar bears will get more food. C. Fishermen’s fishing in deep oceans increases the toll of species. D. It will not take a long time for species of extreme habitat to recover their number. 3. What’s the best title of the passage? A. Serious Effects of Global Warming on Species B. More and More Animal Species Face Extinction C. The Endangered Species D. Save the World’s Species in Danger |
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根据对话内容，从对话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。
A
： What time does your day start, Sam?B
： Oh, that is an easy question! Late! 1A
： And when do you train with the team?B
： 2 Not on Saturdays or Sundays.A
： And how many hours do you train every day?B
： 3 It's hard work.A
： And how often do you play a game?B
： 4A
： What do you do in your free time?B
： I read all my fan letters, of course. I get hundreds of letters a week.A
： And how do you answer all of them?B
： I don't. I answer letters once a year, at Christmas.A
： Why do people like you?B
： Er… 5 Read my fan letters. Here they are.1．
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． For six hours.B
． Never before 10 o'clock.C
． Oh, once a month, sometimes twice a month.D
． That's a difficult question.E
． Five days a week.F
． No problem.G
． About four hours a day. 查看习题详情和答案>>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, 并在答题卡上将该项涂黑。选项中有两项为多余选项。
We’ve all got a lot going on in our lives. Some things are fun, some aren’t. I think I’ m a fairly positive person. 71 In fact, being positive means different things to different things to different people. 72
●Focus on what you have not what you don’t. It’s impossible for one to have all the nice things in the world. Focus on what you already have. This can create feelings of happiness.
● 73 If you can express thanks for everything you have, you leave little room for bad thoughts. It’s a great practice. When you focus on what really matters, so many worries go away.
●Forget the past and don’t cling to(紧紧抓住) the future: 74 If you cannot forget mistakes and missed opportunities from the past, you probably find you blame yourself all the time. Clinging to the future is a bad one, too. It truly may never happen. So pay more attention to the present
● 75 It always makes me wonder what people are saying about me if they speak so ill of someone else when they aren’t around. If you don’t do this, you never have to worry about what you’ve said getting back to someone.
A. Be grateful.
B. Here are a few key ways to being positive that have really helped me.
C. Speak about others as if they were in front of you.
D. The past will never come again.
E. Being positive doesn’t mean smiling a fake smile all the time.
F. The past has happened and the future may never come.
G. Have fun and hug yourself.
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完形填空
Do you ever call long distance from a pay phone?
You dial the number, and then you hear something like: “sixty cents, please. Please deposit(投硬币)sixty cents 1 the first three minutes.”
If you are placing the call in New York State, don’t try to ask the operator a question. There is no one on the 2 with you. The voice you hear comes from a computer. It has vocabulary of sever words in its memory. This program is known 3 the Auto mastic Coin Telephone Service.
The words and numbers are first recorded, each word and number by itself, by an actress. The sounds are then changed 4 electronic signals and 5 in a computer memory circuit(电路). The circuit is hooked(连接)into the computer that controls all the calls made from pay 6 .
While you 7 your call, the computer senses each of the numbers. When you finish, it calculates the cost, and produces the voice that you hear. As soon as you deposit the 8 , the computer automatically connects you call.
Have you ever called information and heard and operator 9 : “Information. 10 I help you?”
You tell the operator a name and he 11 she gives you the phone number. 12 the past, the operator would have to thumb(翻阅)through the telephone directory(电话号码簿)to 13 up the number. Now, a new computer system provides this information 14 more quickly. Sometimes it can find the number even if you misspell the name.
Information operators 15 use this new system type in the name you give on tee computer terminal. In a flash, the computer displays the name and telephone number 16 the CRT(显像管). At the same time, the computer calls up nine similar names. In case you spelled the name 17 ,the operator may still be able to find.
All new phones are also entered 18 this computer system. The information operators, therefore, have the up-to-the-minute listing. At the end of the year, the computer is hooked to a machine 19 automatically sets the type for the new telephone 20 . The directory is then printed from this type accurately(准确的),quickly , and at a great savings in cost.
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