摘要: Some researchers believe that there is still doubt a cure for AIDS will be found. A. which B. what C. that D. whether

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阅读下面短文,从所给四个选项中,选出最佳答案。

 Can trees talk? Yes——but not in words Scientists have reason to believe that trees do communicate (互通信息) with each other Not long ago, resear- chers learned some surprising things First a willow tree(柳树)attacked in the woods by caterpillars(毛毛虫)changed the chemistry of its leaves and made them taste so terrible that the caterpillars got tired of the leaves and stopped eating them Then even more astonishing, the tree sent out a special vapour — a signal causing its neighbours to change the chemistry of their own leaves and make them less tasty

   Communication, of course, doesn't need to be always in words We can talk to each other by smiling, raising our shoulders and moving our hands We know that birds and animals use a whole vocabulary of songs, sounds, and movements Bees dance their signals, flying in certain patterns that tell other bees where to find nectar(花蜜)for honey So why shouldn't trees have ways of sending messages?

1 When attacked, a willow tree will protect itself by________

[  ]

A changing its leaveschemistry

B changing its leavescolour

C talking to caterpillars

D sending a special vapour

2 From the passage we know that catrpillars________

[  ]

A like willow trees

B enjoy eating fallen leaves

C feed on willow tree leaves

D could communicate with willow trees

3 Caterpillars will stop eating willow tree leaves which________

[  ]

A have a chemical change and become tasteless

B have a pleasant taste

C are being attacked

D are communicating

4 According to the passage, how do willow trees communicate with each other?

[  ]

A They talk in words

B They send out a special vapour

C They wave their leaves

D They make special sounds

5 According to the passage, bees communicate with each other by______

[  ]

A talking

B making unusual sounds

C singing songs

D. fly in certain patterns

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Some people bring out the best in you in a way that you might never have fully realized on your own.My mom was one of those people.

My father died when I was nine months old,making my mom a single mother at the age of eighteen.While I was growing up,we lived a very hard life.We had little money,but my mom gave me a lot of love.Each night,she sat me on her lap and spoke the words that would change my life,“Kemmons,you are certain to be a great man and you can do anything in life if you work hard enough to get it.”

At fourteen,I was hit by a car and the doctors said I would never walk again.Every day,my mother spoke to me in her gentle,loving voice,telling me that no matter what those doctors said,I could walk again if I wanted to badly enough.She drove that message so deep into my heart that I finally believed her.A year later,I returned to school—walking on my own!

When the Great Depression(大萧条)hit,my mom lost her job.Then I left school to support the both of us.At that moment,I was determined never to be poor again.

Over the years,I experienced various levels of business success.But the real turning point occurred on a vacation I took with my wife and five kids in 1951.I was dissatisfied with the second-class hotels available for families and was angry that they charged an extra $2 for each child.That was too expensive for the average American family.I told my wife that I was going to open a motel(汽车旅馆)for families that would never charge extra for children.There were plenty of doubters at that time.

Not surprisingly,mom was one of my strongest supporters.She worked behind the desk and even designed the room style.As in any business,we experienced a lot of challenges.But with my mother’s words deeply rooted in my soul,I never doubted we would succeed.Fifteen years later,we had the largest hotel system in the world—Holiday Inn.In 1979 my company had 1759 inns in more than fifty countries with an income of $1 billion a year.

You may not have started out life in the best situations.But if you can find a task in life worth working for and believe in yourself,nothing can stop you.

What Kemmons’ mom often told him during his childhood was_______.

A.caring                                                          B.moving

C.encouraging                                                  D.interesting

According to the author,who played the most important role in making him walk back to school again?

A.Doctors.                    B.Nurses.                            C.Friends.                    D.Mom.

What caused Kemmons to start a motel by himself?

A.His terrible experience in the hotel.

B.His previous business success of various levels.

C.His mom’s support.

D.His wife’s suggestion.

Which of the following best describes Kemmons’ mother?

A.Modest,helpful and hard-working.

B.Loving,supportive and strong-willed.

C.Careful,helpful and beautiful.

D.Strict,sensitive and supportive.

Which of the following led to Kemmons’ success according to the passage?

A.Self-confidence,hard work,higher-education and a poor family.

B.Mom’s encouragement,clear goals,self-confidence and hard work.

C.Clear goals,mom’s encouragement,a poor family and higher education.

D.Mom’s encouragement,a poor family,higher education and opportunities.

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When I met him, I had a lot of anger inside of me. I’ve lived my whole life in Spanish Harlem, but in my neighborhood, there are shoot-ups all the time. I know kids who have been shot or beaten up. I have friends who ended up in prison. I could have ended up that way, too, but Mr. Clark wouldn’t let that happen.

Mr. Clark worked long hours, making sure I did my work. My grades rose. In fact, the scores of our whole class rose. One day, he took our class to see The Phantom of the Opera, and it was the first time some kids had ever been out of Harlem. Before the show, he treated us to dinner at a restaurant and taught us not to talk with our mouths full. We did not want to let him down

Mr. Clark was selected as Disney’s 2000 Teacher of the Year. He said he would draw three names out of a hat; those students would go with him to Los Angeles to get the award. But when the time came to draw names, Mr. Clark said, “You’re all going.”   

On graduation day, there were a lot of tears. We didn’t want his class to end. In 2001, he moved to Atlanta, but he always kept in touch. He started giving lectures about education, and wrote a bestselling book based on his classroom rules, The Essential 55. In 2003,

Mr. Clark took some of us on a trip to South Africa to deliver school supplies and visit the orphanages(孤儿院). It was the most amazing experience of my life. It’s now my dream to one day start a group of women’s clubs, helping people from all backgrounds.

Without Mr. Clark, the writer         .

A. might have been put into prison

B. might not have won the prize

C. might have joined a women’s club

D. might not have moved to Atlanta

The Essential 55 is_____________

A. a show                                          B. a speech

C. a classroom rule                             D. a book

How many students’ names were finally drawn out of a hat by Mr. Clark?

A. None                B. Three                C. Fifty-five.         D. All.

What can we learn in the short reading?

A. It was in Harlem that we saw The Phantom of the Opera for the first time.

B. Mr. Clark taught us not to talk with our mouths full, and we did.

C. Mr. Clark was selected as Disney’s 2000 Teacher of the Year in Los Angeles.

D. In 2003, Mr. Clark moved to Atlanta, and he always kept in touch with us.

In the passage, the writer intends to tell us that         .

A. Mr. Clark went to South Africa because he liked travelling

B. Mr. Clark helped to set up a group of women’s clubs

C. a good teacher can help raise his or her students’ scores

D. a good teacher has a good influence on his or her students

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