题目内容
I’ve examined the papers ________ the matter.
- A.refer to
- B.referred to
- C.referring
- D.referring to
A man hired a taxi outside the airfield.The cab had a woolen carpet with 36 lace edges.On the glass partition that 37 the driver's seat was a copy of a famous painting.Its windows were all clean.The customer was very much 38 and said to the driver,“I've never seen a nicer 39 .”“Thank you for your praise.”the driver answered 40 .
“The car isn't mine,”said the driver.“It belongs to the company.I used to be a 41 of cabs.When they returned,all of them were as 42 as garbage cans with cigarette butts and rubbish 43 here and there.On the seats and door-handles could be found something 44 like peanut sauce or, chewing gum.Why so? I thought if the car itself were very clean the passengers would most 45 be considerate and refrain from littering.”
“So when I got a 46 to be a taxi-driver,I began 47 my idea into practice-to tidy and 48 the car. Now before a new passenger gets on my car,I'd make a cheek and be sure it is in good order.When my car 49 after a day's work,it always remains 50 .”
When doing a thing,one makes efforts and wants to see the result.To change others,one has to make twice the 51 but get half the result.To change oneself is the other way round-more fruit with less effort.One had better ask oneself why one makes 52 on others much more than on oneself. 53 you take enough care to do as best you can for other people's sake,your efforts will yield results,If you 54 the inner world of your own,examine yourself and wipe out the dust and dirt,instead of fixing your eyes on other people,you will find a cheerful 55 for yourself and create a pleasant environment for others.
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Last year was the first year when I taught the fifth grade. Recently, I’ve been 1 by a “graduated ”student for the first time. I was really surprised when he walked into my home.
He hasn’t physically changed much since 2 my class last year and if I had had to guess who would come to visit me first. I wouldn’t have thought of him. Carlos was a student who had a hard time sitting 3 in the beginning of last year. He would often 4 to go to the bathroom, and he’d talk or look like he was falling asleep because of little sleep. He often needed 5 in doing anything that other students could do well on their own.
I found out that the reason for his behavior in my classroom was that he had been 6 nightmares(噩梦)about his border-crossing experience. He was 7 that the immigration office would take him or his parents to prison or back to their 8 . And here he was in my class trying to learn a(n) 9 language, which he had never touched before.
When he was in my class, one thing that stood out was that he had a(n) 10 time speaking English. But when he walked in my room yesterday, all of that was missing. In walked a calm, 11 boy who spoke and understood English far better than when he left me in June. He even 12 to speak to my class in the sixth grade in English. He told me he remembered doing sign language and the video I made to help him 13 his English.
His visit 14 a lot to me not only because he has made great progress, but also because it reminded me what it means to be a teacher ----- to have a lasting influence on 15 .
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Scientist Says ‘No’ to Human Cloning
“I’ve never met a human worth cloning,” says cloning expert Mark Westhusin from his lab at Texas A&M University. “It’s a stupid endeavor.”
That’s an interesting choice of adjective, coming from a man who has spent millions of dollars trying to clone a 13-year-old dog named Missy. So far, he and his team have not succeeded, though they have cloned two cows and a cat.
They just might succeed in cloning Missy soon — or perhaps not for another five years.
Westhusin's experience with cloning animals leaves him upset by all this talk of human cloning. In three years of work on the Missy project, using hundreds upon hundreds of dog's eggs, the A&M team has produced only a dozen or so embryos carrying Missy's DNA. None have survived the transfer to a surrogate(代孕的)mother. The wastage of eggs and the many spontaneously aborted(流产,发育不全) fetuses(胎)may be acceptable when you're dealing with cats or bulls, he argues, but not with humans. “Cloning is incredibly inefficient, and also dangerous,” he says.
Even so, dog cloning is a commercial opportunity, with a nice research payoff. Ever since Dolly the sheep was cloned in 1997, Westhusin's phone has been ringing with people calling in hopes of duplicating their cats and dogs, cattle and horses. “A lot of people want to clone pets, especially if the price is right,” says Westhusin. Cost is no obstacle for Missy's mysterious billionaire owner; he's put up $3.7 million so far to fund A&M's research.
Contrary to some media reports, Missy is not dead. The owner wants a twin to carry on Missy's fine qualities after she does die. The prototype(原型;雏形)is, by all accounts, athletic, good-natured and supersmart. Missy's master does not expect an exact copy of her. He knows her clone may not have her temperament(气质、性情). In a statement of purpose, Missy's owner and the A&M team say they are “both looking forward to studying the ways that her clones differ from Missy.”
Besides cloning a great dog, the project may contribute insight into the old question of nature vs. nurture. It could also lead to the cloning of special rescue dogs and many endangered animals.
However, Westhusin is cautious about his work. He knows that even if he gets a dog pregnant, the offspring, should they survive, will face the problems shown at birth by other cloned animals: abnormalities like immature lungs and heart and weight problems~ “Why would you ever want to clone humans,” Westhusin asks, “when we're not even close to getting it worked out in animals yet?”
1.By “stupid endeavor”, Westhusin means to say that ________.
A.human cloning is a foolish undertaking |
B.animal cloning is absolutely impractical |
C.human cloning should be done selectively |
D.animal cloning is not worth the effort at all |
2.What does the first paragraph tell us about Westhusin's dog cloning project?
A.Its success is already in sight. |
B.It is progressing smoothly. |
C.It is doomed to utter failure. |
D.Its outcome remains uncertain. |
3.By cloning Missy, Mark Westhusin hopes to ________.
A.study the possibility of cloning humans |
B.search for ways to modify its temperament |
C.find out the differences between Missy and its clones |
D.examine the reproductive system of the dog species |
4.We learn from the passage that animal clones are likely to have ________.
A.a bad temper |
B.defective(有缺陷的、有毛病的)organs |
C.immune deficiency |
D.an abnormal shape |