She _______ the film. She knows nothing about it.

A. can’t see     B. can’t have seen     C. must see    D. mustn’t have seen

— Could I use your dictionary? 

— Sure you ______. _______.

A. can; Go ahead    B. can; Use it    C. could; Help yourself    D. could; Take it

Can people change their skin colour without suffering like pop king Michael Jackson? Perhaps yes. Scientists have found the gene that determines skin colour.

The gene comes in two versions, one of which is found in 99 per cent of Europeans. The other is found in 93 to 100 per cent of Africans, researchers at Pennsylvania State University report in the latest issue of Science.

Scientists have changed the colour of a dark-striped zebrafish to uniform gold by inserting a version of  the pigment(色素) gene into a young fish. As with humans, zebrafish skin colour is determined by pigment cells, which contain melanosomes(黑色素). The number, size and darkness of melanosomes per pigment cell determines skin colour.

It appears that, like the golden zebrafish, light-skinned Europeans also have a mutation(变异) in the gene for melanosome production. This results in less pigmented skin.

However, Keith Cheng, leader of the research team, points out that the mutation is dif ferent in human and zebrafish genes.

Humans acquired dark skin in Africa about 1.5 million years ago to protect bodies from ultra-violet rays of the sun(太阳光紫外线), which can cause skin cancer.

But when modern humans leave Africa to live in northern latitudes, they need more sunlight on their skin to produce vit amin D. So the related gene changes, according to Cheng.

Asians have the same version of the gene as Africans, so they pr obably acquired their light skin through the action of some other gene that affects skin colour, said Cheng.

The new discovery could lead to medical treatments for skin cancer. It also could lead to research into ways to change skin colour without damaging it like chemical treatment did on Michael Jackson.

1.. The passage mainly tells us that ________.

  A. people can not change their skin colour without any pain

  B. the new discovery could lead to search into ways to change skin colour safely

  C. pop king Michael Jackson often changed his skin colour as he liked

  D. scientists have found out that people’s skin colour is determined by the gene

2.. Scientists have done an experiment on  a dark-striped zebra fish in order to ________.

  A. find the  different genes of humans’

  B. prove the humans’ skin colour is determined by the pigment gene

  C. find out the reason why the Africans’ skin colour is dark

  D. find out the ways of changing peopl’s skin colour

3.. The reason why Europeans are light-skinned is probably that ________.

  A. they are born light-skinned people

  B. light-skinned Europeans have mutation in the gene for melanosome production

  C. they have fewer activities outside

  D. they pay much attention to protecting their skin

For many people in the US，sports are not just for fun. They’re almost a “religion”．Thousands of sports fans buy expensive tickets to watch their favorite teams and athletes play in person .Other fans watch the games at home，sticking to their TV sets，never missing a game. Many a wife becomes a “sports widow” during her husband’s favorite season. Americans’ devotion to sports has created a new class：professional athletes. Sports stars often receive million­dollar salaries. Some even make big money by appearing in advertisements for soft drinks，shoes and almost everything.

Sports are an important part of American culture. Throughout their school life，Americans learn to play many sports. Many students try out for the school teams. Athletic events at universities attract scores of fans and benefit the whole community. Many people also enjoy non­competitive activities，like hiking，cycling，horseback riding，camping or hunting.

Many sports were imported from other countries. Europeans brought tennis，golf，bowling and boxing to America .Football and baseball came from other Old World games. Only basketball has a truly American origin. Americans export sports fever as well. Satellites broadcast games to sports fans around the globe. NBA is a good example. The names of American superstars like basketball great Michael Jordan have become household words all over the world.

1.．Many a wife becomes a “sports widow” in the US probably because________.

A．they are serious in religion

B．they are devoted to sports

C．their husbands stick to sports

D．their husbands are missing

2.．Which of the following is NOT true according to the passage?

A．The US sports stars can earn a large sum of money via the media.

B．American students go in for various sports and athletic events.

C．Lots of American people take part in non­competitive activities.

D．American people like to exchange different sports from each other.

3.．The writer mainly intends to tell us________.

A．how important sports are in America

B．where sports can help to make money

C．why sports are so popular in America

D．what affect Americans’ everyday life

Many years ago my student asked me the question, "Mrs. Kindred, why do you teach?" Without taking time to reflect, I answered, "Because someday I might say something that might make a difference in someone's life." Even though I was sincere, that wasn't a very good answer and my student didn't let it slide.

"Let me get this straight," he said, "You went to college for four years so you could come here every day because you have the hope that someday you might say something that will influence someone?" He shook his head as if I were cra zy and walked away looking confused . I'm one of those people who look back and wish they had said something smart or witty, or swift.

Even though that particular student might no longer wonder why I teach, there are days when I wonder. On those days, I remind myself of the real reasons I teach: It's in my blood. My mother was my most influential teacher, and she was a 6th grade reading teacher until her death in 1990. She instilled(逐渐灌输) in me a love of reading and the knowledge that education opens doors.

Teaching is a way to make a difference. If you throw a stone in a pond the ripples go on and on until they reach the shore. You can't have ripples without a "stone." Good teachers throw stones that make a positive difference, and that's what I strive to do. I genuinely love teenagers. I want to share with others what I know and what I have learned through the years. Life is full of ups and downs, and if I can help students avoid some potholes on the road of life, I want to do so. If they'll allow me to celebrate their victories with them, I want to do too.

Teaching isn't for everyone, but I know I made the right career choice.

1.. Why did the student continue to ask the question about the writer’s being a teacher?

  A. Because he thought her answer was unbelievable.

  B. Because the writer was insincere.

  C. Because the student was naughty.

  D. Because the answer was difficult to understand.

2.. What do you think of the writer?

  A. Stupid.                B. Honest.          C. Insincere.       D. Polite.

3.. According to the text, which of the following is NOT true?

  A. The writer’s mother has the greatest influence on her.

  B. The writer’s answer made the student confused.

  C. In the writer’s opinion, some people in the world are unfit to teach.

  D. The writer annoyed the student who asked the question.

4.. We can infer from the text that _________.

  A. the writer was also a good teacher in school

  B. the writer often plays with her students beside a pond

  C. the writer devotes herself to teaching and her students.

  D. the writer often accompanies the students on their way home

5.. What’s the main idea of the text?

  A. A student’s silly question.               B. A good teacher who likes students.

  C. A confused student.                        D. The reason why I teach.

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1.．This advertisement is designed especially for those who________         

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2.．What information CAN'T we get from the advertisement about Ouickeats?

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C．Exact prices．                       D．Good taste

3.．Which of the following can be cooled in a refrigerator before eating according to the ads?

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4.．What can we learn from the advertisement?

    A．Get one Quickeats container and you'll have four Quickeats to eat

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Ella Fant was a middle-aged lady who lived with her only son John in a small house.She__36__John very much. In her__37__he couldn't do anything_38__.Every morning she would give him breakfast_39__bed and bring him the papers to__40__.It isn't really true that he was too__41__to work---in fact he had tried a few__42__.First of all he was a window-cleaner and in his first week he managed to_43__at least six windows. Then he_44__a bus conductor and on his second_45__a passenger stole his bag with all the fares（车费）collected.He_46__lost his job as a postman_47__he sent off all the letters when he should have taken them to people's houses. It seemed that there was_48__suitable work for him. So he_49__to join the army. Mrs. Fant was so__50__about this that she told the__51__to all her neighbours. "My John is good to be a soldier," she said. "He is going to be the best soldier there__52__was,I can tell you!"

 Then the great day came_53__he was to march past the palace in the parade（接受检阅的队伍）.His_54__mother traveled to the city early in the morning to be sure of getting a good__55__in the crowd.  The parade was full of sound and colour. But when John and his fellow soldiers came in sight some of the people watching couldn’t help laughing at the one who couldn't keep pace with the other as they marched along.

 But Ella Fant, who was filled with happiness shouted at the top of her voice: "Look at them! They're all out of step except my John! Isn't he the best!"

1..A.depended on    B. waited on   C. trusted   D. loved

2..A.hope        B. eyes        C .head        D. beliefs

3..A.wrong       B. great       C. good        D. strange

4..A.to          B. at          C. in          D. by

5..A.check       B. read        C. keep        D. sign

6..A.lazy        B. young       C. weak        D. shy

7..A.ones        B. years       C. tasks       D. jobs

8..A.erase       B. drop        C. break       D. clean

9..A. followed   B  met         C. became      D. found

10..A. day        B. try         C. route       D. chance

11..A. thus       B. even        C. once        D. only

12..A.even if     B. so that     C. because     D. though

13..A.some        B. such        C. less        D. no

14..A.began       B. promised    C. managed     D. decided

15..A.excited     B. worried     C. anxious     D. curious

16..A.incident    B. change      C. news        D. matter

17..A.yet         B. ever        C. never       D. just

18..A.where       B. since       C. when        D. till

19..A.proud       B. kind        C. strict      D. lucky

20..A.time        B. view        C. experience  D. impression

Today’s China is quite different from __________.         .

   A. it used to be  B. it would be   C. what it used to be   D. what it would be

You are ______ to be hit by lightning ______be attacked by a shark, so don’t be frightened by sharks.

   A. more likely 30 times; than    B. 30 times as likely; than

   C. 30 times as more likely; as    D. 30 times as likely; as

You will have an accident if you don’t ______, for the road is icy.

   A. make out    B. pick out    C. bring out    D. watch out