A newly trained teacher named Mary went to teach at a Navajo Indian reservation. Every day, she would ask five of the young Navajo students to __1__ the chalkboard and complete a simple math problem from   2   homework.

    They would stand there, silently,  3   to complete the task. Mary couldn’t figure it out.   4   she had studied in her educational curriculum helped, and she   5   hadn’t seen anything like it in her student-teaching days back in Phoenix.

     What am I doing wrong? Could I have chosen five students who can’t do the  6  ? Mary would wonder. No,  7  couldn’t be that. Finally she   8   the students what was wrong. And in their answers, she learned a   9   lesson from her young   10   pupils about self-image and a(n)   11   of self-worth.

     It seemed that the students  12  each other’s individuality and knew that  13  of them were capable of doing the problems.   14  at their early age, they understood the senselessness of the win-lose approach in the classroom. They believed no one would  15  if any students were shown up or embarrassed at the  16  . So they   17   to compete with each other in public.

     Once she understood, Mary changed the system   18   she could check each child’s math problem individually, but not at any child’s expense  19  his classmates. They all wanted to learn,  20  not at someone else’s expense.

1．  A．go to B．come to    C．get close to      D．bring

2．  A．his    B．their  C．his own    D．her

3．  A．happy       B．willingly   C．readily      D．unwilling

4．  A．Anything  B．Nothing    C．Everything       D．Neither

5．  A．almost      B．certainly   C．hardly      D．never

6．  A．question   B．chalkboard       C．problem    D．homework

7．  A．they  B．it      C．everything       D．each

8．  A．asked       B．questioned       C．told   D．understood

9．  A．outstanding      B．surprising C．annoying  D．frightening

10．A．sunburned B．tender       C．Indian      D．naughty

11．A．sense B．image       C．way   D．aspect

12．A．had   B．ignored     C．respected  D．cared

13．A．none        B．no one      C．each  D．not all

14．A．Especially B．Even though    C．Even so    D．Even

15．A．lose   B．win   C．achieve     D．answer

16．A．time  B．situation   C．chalkboard       D．condition

17．A．refused     B．rejected    C．tried  D．promised

18．A．if      B．so that      C．unless       D．in case

19．A．in favour of    B．of     C．by means of     D．in front of

20．A．and   B．but    C．so     D．or

A newly trained teacher named Mary went to teach at a Navajo Indian reservation. Every day, she would ask five of the young Navajo students to __1__ the chalkboard and complete a simple math problem from   2   homework.

They would stand there, silently,  3   to complete the task. Mary couldn’t figure it out.   4   she had studied in her educational curriculum helped, and she   5   hadn’t seen anything like it in her student-teaching days back in Phoenix.

What am I doing wrong? Could I have chosen five students who can’t do the  6  ? Mary would wonder. No,  7  couldn’t be that. Finally she   8   the students what was wrong. And in their answers, she learned a   9   lesson from her young   10   pupils about self-image and a(n)   11   of self-worth.

It seemed that the students  12  each other’s individuality and knew that  13  of them were capable of doing the problems.   14  at their early age, they understood the senselessness of the win-lose approach in the classroom. They believed no one would  15  if any students were shown up or embarrassed at the  16  . So they   17   to compete with each other in public.

Once she understood, Mary changed the system   18   she could check each child’s math problem individually, but not at any child’s expense  19  his classmates. They all wanted to learn,  20  not at someone else’s expense.

1．  A．go to        B．come to         C．get close to    D．bring

2．  A．his           B．their           C．his own         D．her

3．  A．happy          B．willingly         C．readily        D．unwilling

4．  A．Anything      B．Nothing         C．Everything     D．Neither

5．  A．almost         B．certainly        C．hardly           D．never

6．  A．question       B．chalkboard     C．problem         D．homework

7．  A．they         B．it             C．everything     D．each

8．  A．asked              B．questioned     C．told            D．understood

9．  A．outstanding  B．surprising       C．annoying       D．frightening

10．A．sunburned    B．tender         C．Indian        D．naughty

11．A．sense        B．image         C．way           D．aspect

12．A．had          B．ignored          C．respected       D．cared

13．A．none           B．no one        C．each           D．not all

14．A．Especially    B．Even though       C．Even so       D．Even

15．A．lose          B．win            C．achieve          D．answer

16．A．time         B．situation         C．chalkboard     D．condition

17．A．refused        B．rejected         C．tried           D．promised

18．A．if             B．so that        C．unless        D．in case

19．A．in favour of  B．of            C．by means of   D．in front of

20．A．and          B．but             C．so              D．or

A chemical important of brain development may play a role in explaining why some people are genetically (由基因决定地) likely to suffer from anxiety and could lead to new treatments, U．S. researchers said.

They said highly anxious rats which were kept had very low levels of a brain chemical called fibroblast growth factor 2 or FGF2, compared with rats that were more relaxed. But when they improved the anxious rats' living conditions—giving them new toys to explore and a bigger cage to live in—levels of this brain chemical increased and they became less anxious.

“The levels of this brain chemical increased in response to the experiences that the rats were exposed to. It also decreased their anxiety.”Javier Perez of the University o f Michigan said in a telephone interview. “It made them behave the same way as the rats that were relaxed，”he said.

In a former study of people who were severely depressed before they died, the team found the gene that makes FGF2 was producing very low levels of the growth factor, which is known primarily for organizing the brain during development and repairing it after injury.

Perez thinks the brain chemical may be a marker for genetic vulnerability (脆弱性) to anxiety and depression. But it can also respond to changes in the environment in a positive way, possibly by preserving new brain cells.

While both the calm and anxious rats produced the same number of new brain cells, these cells were less likely to survive in the high－anxiety rats, the team found. Giving the rats better living conditions or injecting them with FGF2 helped improve cell survival.

“This discovery may pave the way for new, more specific treatments for anxiety that will not be based on sedation(药物镇静), but will instead fight the real cause of the disease，” Dr. Pier Vincenzo Piazza from France said in a statement.

6. We know from the passage that with the levels of FGF2 decreasing, the rats will ________.

A. die of anxiety soon          B. suffer from a headache

C. become more relaxed        D. become more anxious

7. What's the better way to increase the levels of FGF2?

A. Introducing more companions to the anxious rats.

B. Improving the living conditions of the anxious rats.

C. Injecting the anxious rats with some special medicine.

D. Giving the anxious rats more time to relax.

8. The underlined word “it” in Paragraph 4 refers to ________.

A. the team                 B. the gene

C. the growth factor          D. the brain

9. What's the main influence of the new discovery?

A. Doctors won't use any medicine to cure anxiety.

B. Doctors may treat anxiety more efficiently.

C. Doctors will find the real cause of anxiety.

D. Doctors may find new medicine for anxiety.

10. Which of the following would be the most suitable title for the passage?

A. Anxious rats and relaxed rats

B. Anxiety—a serious mental disease

C. Scientific research into the brain is important

D. Brain chemical may play key role in anxiety

A certain student passed all his examinations. Then he went to college to  16  his studies. There he wrote down his  17  for a course (课程) in English, but after the first  18  , he didn’t go to it any more.
The English lecturer  19  this student was always absent (缺席的) and thought he had  20  another course, so he was   21  when he saw the boy’s name on the list of students who wanted to take the English  22  at the end of this year.
The lecturer had  23  a difficult paper, which followed his  24  closely, and he was eager (热切的) to see  25  this student would answer the questions. He  26  the boy’s answers would be very bad, but when they  27  him and he examined them  28  , he was able to find only one small mistake in them. As this surprised him greatly, he  29  the paper repeatedly but still couldn’t find more than one mistake, so he  30  for the student to question him about it.
When he came and sat down, the lecturer asked him, “I  31  you came to my first lecture and you’ve been absent from all the others. But I’ve examined your  32  carefully and I’ve found only one small mistake in it. I’m curious (好奇的) to know your  33  .”
“I’m very  34  about that mistake,” answered the student. “After the examination, I 35  what I should have done. I would not have made that mistake if I had not been confused by your first lecture.”
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A person may have a false idea about himself that will stop him from doing good work..
He may have the belief that he is unable to do it. A child may think he is  36  because he doesn’t understand how to make  37  use of his mental gifts. Old people may have a false idea that they are unable to learn new things because of their  38 .
A person who believes that he is stupid will not make a real  39  because he feels that it would be useless. He won’t go at a job with confidence necessary for  40 . Besides, he won’t work his hardest way, even though he may think he is doing so.  41 , he is likely to fail, and the failure will  42  his belief in his incompetence（无能）in turn.
Alfred Alder, a famous doctor, had  43  like this. When he was a small boy, he had a poor 44  in math. His teacher told his parents he had no ability in math in order that they would not  45  too much of him. In this way, his teacher and parents  46  the idea. He  47  their false judgment of his ability, feeling that it was useless to  48 . Then, he was very poor at math,  49  as they expected.
But one day everything changed. He worked out a problem which  50  of the other students had been able to solve. He  51  in solving the problem which gave him confidence. Soon he became especially good at  52 .
Alder now  53  with interest, determination and purpose. He not only proved that he could learn math well, but luckily he learned it  54 , not too late. From his own experience, we can tell that if a person goes at a job with determination and purpose, he may  55  himself as well as others by his ability.