Why did one scientist expose birds to artificial daylight?A.To test the relationship betwe
Why did the professor study the Brazilian students' behavior?
A. He felt puzzled at the students' being late.
B. He felt angry at the students' rudeness.
C. He wanted to make the students come on time later.
D. He wanted to collect data for one of his studies.
Why do people shrink?
Did you ever see the movie Honey,I shrunk the kids? It’s about a wacky dad(who’s also a scientist)wh0 accidentally shrinks his kids with his homemade miniaturizing invention.0ops! ____(1).
For older people,shrinking isn’t that dramatic or sudden at all. It takes place over years and may add up to only one inch or so off of their adult height(maybe a 1ittle more,maybe less), and this kind of shrinking can’t be magically reversed,although there are things that can be done to stop it or slow it down._____(2).
There are a flew reasons.As people get older,they generally lose some muscle and flat from their bodies as part of the natural aging process.Gravity (the force that keeps your feet on the ground) take hold,and the bones in the spine,called vertebrae,may break down or degenerate,and start to collapse into one another_____ (3).But perhaps the most common reason why some older people shrink is because
of osteoporosis.
0steoporosis occurs when too much spongy bone tissue(which is found inside of most bones)is broken down and not enough new bone material is made.______(4). Bones become smaller and weaker and can easily break if someone with osteoporosis is injured. Older people—especially women,who generally have smaller and lighter bones to begin with--are more likely to develop osteoporosis.As years go by,a person with osteoporosis shrinks a little bit.
Did you know that every day you do a shrinking act? You aren’t as tall at the end of the day as you are at the beginning.That’s because as the day goes on,water in the disks of the spine gets compressed(squeezed)due to gravity,making you just a tiny bit shorter.Don’t worry,though._____(5)
A.They end up pressing closer together,which makes a person lose a little height and become shorter.
B.0rice you get a good night’s rest,your body recovers,and the next morning,you’re standing tall again. C.0ver time.bone is said to be lost because it’s not being replaced.
D.Luckily,there are things that people cab do to prevent shrinking.
E.The kids spend the rest of the movie as tiny people who are barely Visible while trying to get back to their normal size.
F.But why does shrinking happen at all ?
第 21 题 请选择(1)处的最佳答案.
"No, Madam," said the policeman at the other end, "But the cats are really very strong animals. They sometimes live for days in the snow, and when somebody finds them, they are quite all right."
Mrs.Andrews felt happier when she heard this, "And," she said, "our cat is very clever. She almost talks."
The policeman was getting tired. "Well then," he said, "why don't you put your telephone down? Perhapssheis trying to telephone you now."
21、MisAndter hdacata wa es hanyerod
A. True
0 B. False
22、The cat was at home when it began to snow heavly
A. True
B. False
23、The story happened on a spring morning.
O A. Trwy
B. False
24、The underlined word "she" in the last sentence refers to thecat.
A. False
B. True
25、The policeman was getting rather tired becauseMrs Andrews had talked too much to him on the phone.
A. False
B. True
1. The thief was trying to get his neighbor's doobell. ()
2.The thiet put some cotton in his ears so as not to hear anything()
3. The neighbor ran out probably because he knew his doorbell was being stolen. ()
4.The neighbor hit the thief to punish him for stealing. ()
5. The thief thought the neighbor couldn't hear the noise of the bell. ()
One cold morning there was much snow in the streets. A truck hit the woman and the policemen took her to the hospital. Dying (临死) , she said to her son, "Your father forsook (抛弃) me before you were born. It's his name and address."
Richard found his father, Mr. Cook, in. another city. It was one of the richest shopkeepers and he had to receive his son. From then on the boy lived a happy life. He ate all kinds of delicious food and wore beautiful clothes. But people often laughed at his rudeness (粗鲁).
Once his father took him to a party. He saw a newspaper lying on the floor and picked it up while others were talking about a film. He had a look at it and found a car's wheels were upward (向上). He called out," Oh, dear ! An accident happened !"
All the people were surprised and began to read the newspaper. But soon they all began to laugh. Do you know why?
Richard didn't know his father because ______.
A.the man was very rich
B.the man forsook his mother
C.his mother left the man
D.the man didn't like him
Why do we go wrong about our friends or our enemies? Sometimes what people say hides their real meaning. And if we don' t really listen closely we miss the feeling behind the words. Suppose someone tells you, "You' re a lucky dog." That' s being friendly. But "lucky dog?" There' s a bit of envy in those words. Maybe he doesn' t see it himself. But bringing in the "dog" puts you down a little. What he may be saying is that he doesn' t think you deserve your luck.
"Just think of all the things you have to be thankful for is another noise that says one thing and means another. It could mean that the speaker is trying to get you to see your problem as part of your life as a whole. But is he? Wrapped up in this phrase is the thought that your problem isn' t important. It' s telling you to think of all the starving people in the world when you haven't got a date for Saturday night.
How can you tell the real meaning behind someone' s words? One way is to take a good look at the person talking. Do his words fit the way he looks? Does what he says agree with the tone of voice? His posture? The look in his eyes? Stop and think. The minute you spend thinking about the real meaning of what people say to you may save another mistake.
This passage is mainly about ______.
A.how to interpret what people say
B.what to do when. you listen to others talking
C.how to avoid mistakes when you communicate with people
D.why we go wrong with people sometimes
Eventually a fortunate few will find their way into educational-repair shops—adult-literacy programs, such as the one where I teach basic grammar and writing. There, high-school graduates and high-school dropouts pursuing graduate-equivalency certificates will learn the skills they should have learned in school. They will also discover they have been cheated by our educational system.
I will never forget a teacher who got the attention of one of my children by revealing the trump card of failure. Our youngest, a world-class charmer, did little to develop his intellectual talents but always got by. Until Mrs. Stifter.
Our son was a high-school senior when he had her for English. "He sits in the back of the room talking to his friends," she told me. "Why don't you move him to the front row?" I urged, believing the embarrassment would get him to settle down. Mrs. Stifter said, "I don't move seniors. I flunk(使…不及格) them." Our son's academic life flashed before my eyes. No teacher had ever threatened him. By the time I got home I was feeling pretty good about this. It was a radical approach for these times, but, well, why not? "She's going to flunk you," I told my son. I did not discuss it any further. Suddenly English became a priority(头等要事) in his life. He finished out the semester with an A.
I know one example doesn't make a case, but at night I see a parade of students who are angry for having been passed along until they could no longer even pretend to keep up. Of average intelligence or better, they eventually quit school, concluding they were too dumb to finish. "I should have been held back," is a comment I hear frequently. Even sadder are those students who are high-school graduates who say to me after a few weeks of class, "I don't know how I ever got a high-school diploma."
Passing students who have not mastered the work cheats them and the employers who expect graduates to have basic skills. We excuse this dishonest behavior. by saying kids can't learn if they come from terrible environments. No one seems to stop to think that most kids don't put school first on their list unless they perceive something is at risk. They'd rather be sailing.
Many students I see at night have decided to make education a priority. They are motivated by the desire for a better job or the need to hang on to the one they've got. They have a healthy fear of failure.
People of all ages can rise above their problems, but they need to have a reason to do so. Young people generally don't have the maturity to value education in the same way my adult students value it. But fear of failure can motivate both.
What is the subject of this essay?
A.view point on learning
B.a qualified teacher
C.the importance of examination
D.the generation gap
It was Monday, Mrs. Smith's dog was hungry, but there was not any meat in the house.
Considering that there was no better way, Mrs. Smith took a piece of paper, and wrote the following words on it, "Give my dog half a pound of meat." Then she gave the paper to her dog and said gently, "Take this to the butcher (卖肉者) , and he's going to give you your lunch today."
Holding the piece of paper in its mouth, the dog ran to the butcher's shop. It gave the paper to the butcher. The butcher read it carefully, recognized that it was really the lady's handwriting and presently did as he was asked to. The dog was very happy, and ate the meat up immediately.
At midday (正午), the dog came to the shop again. It gave the butcher a piece of paper again. After reading it, he gave it half a pound of meat once more.
The next day, the dog came again exactly at midday. And as usual it brought a piece of paper in. the mouth. This time, the butcher did not take a look at the paper, and gave the dog its meat, for he had regarded the dog as one of his customers.
But, the dog came again at four o'clock. And the same thing happened once again. To the butcher's more surprise, it came for the third time at six o'clock, and brought with it a third piece of paper. The butcher felt a bit puzzled. He said to himself, "This is a small dog. Why does Mrs. Smith give it so much meat to eat today?"
Looking at the piece' of paper, he found that there were not any words on it!
Mrs. Smith treated her little dog quite ______.
A.cruelly
B.kindly
C.badly
D.unfairly
Cheating is, of course, nothing new. But today,educators are finding that cheating on the part of students hasbecome more frequent than in the past. Whether it is copying a friend&39;s homework, using a preparedsheeton an exam, stealing advance copies of a final, writing down rules in one’s hand, or paying someone else to write a term paper, cheating appearsto have gained acceptance among agrowing number of studentsbetween 13 and 19.
In a 1978 study of cheating at twenty-two high schools in Georgia, it was found that cheating was common among good and poor students alike — although both boys and girls said they thought boys cheatedmore.
Why is student cheating on the rise? No one really knows. Some blame cheating on a general loss of good values among today&39;s youth. They point to facts showing increaseddamageof public thin gs and school stealing and think that reports, such as Watergate have disappointed youth about the honesty of people in higher positions.
Others think that today&39;s youth are far more practical than their forefathers. In the late sixties and e arly seventies, students were filled with imaginations about changing the world, but today&39;s students feel great stressto succeed.
According to Paragraph1, Charlene took the test out because_____ .
A.her friends could answer none of the problems
B.she tore the testpaper to pieces
C.she stepped her shoeson the test paper
D.she did not want to fail in the math test
Charlene passedthe test because_____ .A.sheansweredall the questions by herself
B.shedid the test by cheating
C.shepersuadedher teacherto give her a B
D.shereturned to the classroom to redo the test
Which of the following is not an example to show that cheating is becoming more and more common?A.A student pays another for doing a test paper.
B.A student writes down something to be testedbefore anexam.
C.A student getswell preparedin his studiesbefore an exam.
D.A student getshomework from his classmateandthen copies it.
The 1978 study of cheating in Georgia shows that ______.A.only studentsin the 24 high schools cheatedin examinations
B.both good and poor studentscheatedin examinations
C.boys liked cheating while girls did not like it
D.more girls cheatedin examinations than boys did
One of the facts for the rise of cheating is that _____.A.more and more public things are damaged
B.good values disappoint students
C.more and more students begin to steal
D.honestpeople are in higher positions
请帮忙给出每个问题的正确答案和分析,谢谢!
Life on Mars
Perhaps more than anything else, scientists are eager to find out if Martian life existed in the past—or still exists.【61】telescopes first zoomed in【62】Mars in the 17th century, people have conjured up a wild【63】of images or what Martians might look like. But space probes like the 1997 Sojourner land rover have yielded no evidence of such alien beings.
Most experts agree that if life did at one time evolve on Mars, finding evidence of that life—which would likely take the form. of tiny organisms—won't be easy.【64】, many scientists are optimistic. "We've got organisms on Earth that adapted to life deep【65】the surface in underground water wells, " says Stephen Clifford. "【66】life like that evolved on Mars four billion years ago, there's no reason why it【67】today. "
【68】last year's disappointing losses, the future of Martian exploration looks【69】This year, two major
films about fictitious Mars missions—Red Planet and Missions to Mars—are certain to heighten interest in our planetary neighbour. More important, plans for new sets of NASA orbiters and landers—one to launch in 2001 , the other in 2003—are already in the works. Without a doubt, each new mission will inch scientists closer to【70】the mysteries of planet Mars.
(61)
A.When
B.Before
C.Ever since
D.Ever