The boss had to give in and _______John.

A. say “Hi” to　 B. say “Hello” to

C. say sorry to　 D. say good-bye to

    People diet to look more attractive. Fish diet to avoid being beaten up, thrown out of their social group, and getting eaten as a result. That is the fascinating conclusion of the latest research into fish behavior by a team of Australian scientists.

The research team have discovered that subordinate fish voluntarily diet to avoid challenging their larger competitors. “In studying gobies we noticed that only the largest two individuals, a male and female, had breeding(繁殖) rights within the group," explains Marian Wrong. “All other group members are nonbreeding females, each being 5-10% smaller than its next largest competitor. We wanted to find out how they maintain this precise size separation."

The reason for the size difference was easy to see. Once a subordinate fish grows to within 5-10% of the size of its larger competitor, it causes a fight which usually ends in the smaller goby being driven away from the group. More often than not, the evicted fish is then eaten up.

It appeared that the smaller fish were keeping themselves small in order to avoid challenging the boss fish. Whether they did so voluntarily, by restraining how much they ate, was not clear. The research team decided to do an experiment. They tried to fatten up some of the subordinate gobies to see what happened. To their surprise, the gobies simply refused the extra food they were offered, clearly preferring to remain small and avoid fights, over having a feast.

 The discovery challenges the traditional scientific view of how boss individuals keep their position in a group. Previously it was thought that large individuals simply used their weight and size to threaten their subordinates and take more of the food for themselves, so keeping their competitors small.

While the habits of gobies may seem a little mysterious. Dr. Wong explains that understanding the relationships between boss and subordinate animals is important to understanding how hierarchical(等级的) societies remain stable.

The research has proved the fact that voluntary dieting is a habit far from exclusive to human.”As yet, we lack a complete understanding of how widespread the voluntary reduction of food intake is in nature," the researchers comment. “Data on human dieting suggests that, while humans generally diet to improve health or increase attractiveness, rarely does it improve long-term health and males regularly prefer females that are fatter than the females' own ideal."

65 When a goby grows to within 5-10% of the size of its larger competitor, it ______.

A. faces danger       B. has breeding rights

C. eats its competitor     D. leaves the group itself

66. The underlined words “the evicted fish" in Paragraph 3 refer to _____.

A. the fish beaten up       B. the fish found out

C. the fish fattened up     D. the fish driven away

67 The experiment showed that smaller fish ____.

A. fought over a feast        B. went on diet willingly

C. preferred some extra food  D. challenged the boss fish

68. What is the text mainly about?

A. Fish dieting and human dieting.

B. Dieting and health.

C. Human dieting.

D. Fish dieting. 

This is a story  that happened 15 years ago but it has always stayed with me since then.On the way back from work every evening,more often than not there would be a homeless man standing at the exit of the freeway.He always waved at every car,he was always happy and smiling and sometimes almost dancing.Every day after work when I got there，I would quickly roll down my window and give him the coins.Occasionally the red light would be on for a minute and we would ask each other about our day.His answer would always be the same，“I’m blessed！”.

It amazed me that even in his situation of being homeless he was so positive，and his answer would remind me of how blessed I was.A single mother of four amazing kids,with a place to call home and with a job to provide for my kids.Then one day I was called into my boss’s office and was told that I was being laid off due to the economy.Needless to say that on my was home that day I was very sad and upset.I didn’t remember to look for my spare change and keep it ready like I usually did.I wasn’t feeling the joy as I got off the ramp where the homeless man would be.Yet there he was as alway，as l turned the ramp.He set his eyes on me，while still smiling and waving at others.

While I was waiting for the red light to turn，he strolled over to my car.He had a big smile he looked me straight in the eyes and said “today I will give you a dollar”.He then reached into his pocket and pulled out a dollar bill.I was blown away.I burst into tears.I wanted to jump out of my car and hug him！

You see that day he gave me more than a dollar bill，he taught me a valuable lesson.No matter  what material things are taken  from you，no one can take away your choice to be joyful.

1.What is the passage mainly concerned？

A.A dollar bill from a homeless person.

B.A blessing coming from a homeless person.

C.A woman who lost her job due to the economy.

D.A homeless man standing at the exit of the freeway.

2.From the lst paragraph，we know the homeless man is         .

A.optimistic         B.brave         C.Iazy          D.kind-hearted

3.After leaving the boss’s office，the author         .

A.felt relaxed to get rid of the tiring job

B.still felt joyful when coming off the ramp

C.took it for granted that she was fit for her job

D.didn’t put some change aside to give to the man

4.The underlined phrase“blown away”in the 3rd paragraph most probably  means

         .

A.completely defeated                B.wholly blown down

C.really amazed                      D.murdered by gunfire

5.It can be inferred from the passage that         .

A.material things are the most important in life

B.people should be encouraged to beg by smiling

C.the author’s ride home that dog was smooth sailing

D.we should wait others’help when faced with challenges

The boss refused our     to leave work early.

A．base             B．command         C．request           D．question

短文改错（共15小题；每小题1.5分，满分15分）
此题要求改正所给短文中的错误。对标有题号的每一行作出判断：如无错误，在该行右边横线上画一个勾(√)；如有错误(每行只有一个错误)，则按下列情况改正：此行多一个词：把多余的词用斜线(＼)划掉，在该行右边横线上写出该词，并也用斜线划掉。此行缺一个词：在缺词处加一个漏字符号(Λ)，在该行右边横线上写出该加的词。此行错一个词：在错的词下划一横线，并在该行右边横线上写出改正后的词。
注意：原行没有错的不要改。