Have you seen Jurassic Park? In this film, scientists use DNA kept for tens of millions of years to clone dinosaurs. They find trouble, however, when they realize that the cloned creatures are smarter and more dangerous than expected. That’s nothing more than a fiction.
But could we really clone endangered animals?
To date, the most successful attempt to do so was the cloning of a gaur, a rare ox-like animal from southeast Asia. Scientists used a cow to bring the cloned baby gaur, named Noah. Two days after birth, however, Noah died from a common bacterial infection. Other endangered species that may be cloned include the African bongo antelope (羚羊), the Sumatran tiger, the cheetah (猎豹), and the giant panda.
Next, could we really clone extinct animals?
In theory? Yes. To do this, you need a well-kept source of DNA from the extinct animals such as wool mammoth (毛象), Tasmanian tiger, or even dinosaur, and a closely related species, still living, which could serve as a surrogate mother.
In reality? Probably not. On the one hand, it’s not likely that extinct animals’ DNA could survive undamaged for such a long time. Cloning such extinct animals as wool mammoth, Tasmanian tiger, or dinosaur is much more difficult due to the lack of properly well-preserved DNA. On the other hand, for example, a gaur can have a cow as a surrogate mother, definitely not a monkey. But what about an extinct animal as unique as the panda? What species could possibly serve as a surrogate mother?
Cloning presents many exciting possibilities. However, even if extinct animals were brought back, they could not survive in today’s world. Not only do most extinct animals have no habitat to love in, but the other plants and animals they depended on for food may also be gone as well.
【小题1】 It can be learned from the text that ________.

Have you seen Jurassic Park? In this film, scientists use DNA kept for tens of millions of years to clone dinosaurs. They find trouble, however, when they realize that the cloned creatures are smarter and more dangerous than expected. That’s nothing more than a fiction.
But could we really clone endangered animals?
    To date, the most successful attempt to do so was the cloning of a gaur, a rare ox-like animal from southeast Asia. Scientists used a cow to bring the cloned baby gaur, named Noah. Two days after birth, however, Noah died from a common bacterial infection. Other endangered species that may be cloned include the African bongo antelope (邦戈羚羊), the Sumatran tiger, the cheetah (猎豹), and the giant panda.     Next, could we really clone extinct animals?
In theory? Yes. To do this, you need a well-kept source of DNA from the extinct animals such as wool mammoth (毛象), Tasmanian tiger, or even dinosaur, and a closely related species, still living, which could serve as a surrogate mother.
In reality? Probably not. On the one hand, it’s not likely that extinct animals’ DNA could survive undamaged for such a long time. Cloning extinct animals as wool mammoth, Tasmanian tiger, or dinosaur is much more difficult due to the lack of properly well-preserved DNA. On the other hand, for example, a gaur can have a cow as a surrogate mother, definitely not a monkey. But what about an extinct animals as unique as the panda? What species could possibly serve as a surrogate mother?
Cloning presents many exciting possibilities. However, even if extinct animals are brought back, they could not survive in today’s world. Not only do most extinct animals have no habitat to love in, but the other plants and animals they depended on for food may also be gone as well.
1. It can be learned from the text that ________.
A. scientists have cloned the African bongo antelope
B. both the cheetah and the giant panda live in Asia
C. the gaur lives in Asia and is endangered 
D. the gaur is an extinct species
2. The underlined words “a surrogate mother” probably refer to a female who -----
A. contributes its eggs to another female  B. gives birth to a baby for another female
C. gives birth to a baby of its own        D. cannot give birth to a baby
3. The difficulty in cloning an extinct species is the lack of ______.
A. both the well-preserved DNA and plants to live on
B. both the habitat to live in and the well-preserved DNA
C. both habitat to live in and plants to live on
D. both the well-preserved DNA and a surrogate mother
4. In the author’s opinion, it is possible that ______.
A. some extinct species may be cloned, but not survive
B. extinct species may be cloned and easily survive
C. a gaur can have a monkey as a surrogate mother
D. all the extinct species may be cloned
5．Today , have scientists  cloned  dinosaus?
A .Yes    B .No    C .A lot  D.Only one.

We often hear people talking about a generation gap (代沟). The name is new,but the idea is old. Young people and their parents don’t understand each other. The world has always kept changing. During the second century after Christ a wise man said, “Bury me on my face because in a little while everything will be turned upside down.”  There has always been a gap between generations, but more people talk about it now. Old Mr. Ellis thinks he understands what has happened. “When I was a boy, I thought the world was a beautiful place. My life was very pleasant. But when I was older, I learned about people who were treated badly, people who didn’t have enough to eat. I wanted to help them, and I married a girl who wanted to help them, too. We went to meetings and talked a lot, but it didn’t seem to make much difference. ”“Our children grew up in a world at war. They didn’t know when the fighting would stop. They wanted their children to have nice clothes and toys. They didn’t want to think about the future. They thought nothing could be done about it.” “Now I have grandchildren, and they have their own ideas. They are trying to make the world better. They are trying to help other people. They’re making people listen to them. I am proud of their generation.”

1. The wise man mentioned in the text told people to bury him on his face so   that when everything is turned upside down he will _____.

A. lie on his stomach       B. lie on his back

C. stand quietly           D. sit in peace

2.Which generation did NOT want to do anything to make the world a better one?

A. Mr. Ellis’ generation             B. His children’s generation

C. His grandchildren’s generation     D. None of the above.

3. What is the writer’s attitude towards the generation gap?

A. Unacceptable. B. Awful.  C. Funny. D. Common.

We all make excuses.

But the successful ones are those who can kill the excuses like the miserable maggots they are.

I’m too tired. I don’t have the time. I don’t feel motivated. I’d rather do nothing. I don’t have the money, equipment, space. I can’t because …

We’ve all made the excuses. Here’s how to kill them.

See the positive. Excuses are usually made because we don’t feel like doing something — we’re accentuating the negative. Instead, see the fun in something, the joy in it. And maintain a positive attitude, or you’ll never beat the excuses.

Take responsibility. Excuses are ways to get out of owning up to something. If we don’t have the time, money, equipment, etc., then it’s not our fault, right? Wrong. Take responsibility, and own the solution.

Find a solution. Just about every problem has a solution. Don’t have time? Start with just 5-10 minutes. Make the time. Wake earlier. Do it during lunch. Don’t have the energy? Do it when you have higher levels of energy. You’re smart. Figure out the solution.

 See your goal. This is your motivation — your reason for doing it. Sure, you could just lay on the couch, but if you think about why you really want to pursue a goal, you’ll be motivated. Visualize that goal and just get started.

Be accountable. Have a workout partner, a project partner, a team, someone to report to. If you have to meet a coach or partner, you’re more likely to do something.

Watch this. Then go an do it.  

1.How many tips mentioned in the text to prevent excuses?

A. Four   B. Three   C.Six  D. Five

2.The second paragraph is developed mainly by _______

A. providing common examples.

B. following the order of time.

C. making comparisons of excuses.

D. analyzing common excuses

3.The definition of the underlined word” visualize” would most probably be ______

A. to view the outline of something by means of an X-ray.

B. to weaken or spoil the quality or efficiency of something. 

C. to form a mental image of something incapable of being viewed.

D. to express the formal image of something capable of being seen.

4.Why do you need a partner according to the passage?

A. because you are likely to make a report to someone.

B. because it’ll be more possible for you to do something wih a partner.

C. because you need a coach to help you do something.

D. because you like to do something with a partner or a coach.

In the past, man did not have to think about the protection of his environment. There were few people on the earth, and natural resources seemed to be____36____ .

Today things are___37_____, the world has become too___38____ . We are using up our natural resources too quickly, and at the same time we are___39____ our environment with dangerous chemicals. If we continue to do this, human life on the earth ___40____survive.

Everyone___41_____ today that if too many fish are taken from the sea, there will soon be none left. Yet, with modern fishing__42_____ , more and more fish are caught. We know that if too many trees are cut down, ___43____will disappear and nothing will grow on the land. Yet, we ___44_____to use bigger and more powerful machines to __45____more and more trees.

We realize that if rivers are polluted with waste products from factories, we will die.___46_____, in most countries wastes are ___47______put into rivers or into the sea, and there are _48_____laws to stop this.

We know, too, that if the___49____ of the world continues to rise at the present rate, in a few years, there will not be enough___50_____. What can we do to solve these problems ?

It we eat more vegetables and less___51____, there will be more food available for everyone. Land that is used to grow crops __52_____five times more people than land where animals are kept.

Our natural resources will _53_____longer if we learn to recycle them. The world population will not rise so quickly if people use modern methods of birth__54_______ .

Finally, if we educate people to think about the problems, we shall have a better and clearer ___55____in the future.

1.                A．beautiful        B．unlimited （无限的） C．rare  D．valuable

2.                A．common        B．the same        C．changeable    D．different

3.                A．crowded        B．small           C．dirty D．busy

4.                A．protecting      B．saving          C．polluting  D．fighting

5.                A．may not        B．will not         C．shall not  D．could not

6.                A．wonders        B．realizes         C．consider  D．discovers

7.                A．poles          B．boats           C．methods  D．ideas

8.A mountains     B. the sea       C. trees              D. forests

9.                A．continue        B．have           C．ought    D．will go on

10.               A．grow          B．plant           C．save  D．cut down

11.               A．Thus           B．However       C．Generally speaking   D．Therefore

12.               A．still            B．even           C．also  D．certainly

13.               A．too many       B．a few          C．some D．few

14.               A．production      B．pollution        C．population D．revolution

15.               A．houses         B．vegetables      C．food  D．lives

16.               A．fruit           B．meat           C．fish   D．grain

17.               A．feeds          B．increases       C．supplies   D．helps

18.               A．use            B．stay           C．keep D．last

19.               A．control         B．born           C．plan  D．reward

20.               A．nature         B．sea            C．planet D．forest