题目内容

How far would you be willing to go to satisfy your need to knowFar enough to find out your possibility of dying from a terrible diseaseThese days that’s more than an academic questionas Tracy Smith reports in our Cover Story.

There are now more than a thousand genetic(基因的) testsfor everything from baldness to breast cancerand the list is growing.Question isdo you really want to know what might eventually kill youFor instanceNobel Prize?winning scientist James Watsonone of the first people to map their entire genetic makeupis said to have asked not to be told if he were at a higher risk for Alzheimer’s(老年痴呆症)

“If I tell you that you have an increased risk of getting a terrible diseasethat could weigh on your mind and make you anxiousthrough which you see the rest of your life as you wait for that disease to hit you.It could really mess you up.” said Dr.Robert Greena Harvard geneticist.

“Every ache and pain” Smith suggestedcould be understood as “the beginning of the end.”“That’s right.If you ever worried you were at risk for Alzheimer’s diseasethen every time you can’t find your car in the parking lotyou think the disease has started.”

Dr.Green has been thinking about this issue for years.He led a study of people who wanted to know if they were at a higher genetic risk for Alzheimer’s.It was thought that people who got bad news wouldfor lack of a better medical termfreak_out.But Green and his team found that there was “no significant difference” between how people handled good news and possibly the worst news of their lives.In factmost people think they can handle it.People who ask for the information usually can handle the informationgood or badsaid Green.

1.The first paragraph is meant to________.

Aask some questions

Bintroduce the topic

Csatisfy readers’ curiosity

Ddescribe an academic fact

2.Which of the following is TRUE of James Watson?

AHe is strongly in favor of the present genetic tests.

BHe is more likely to suffer from Alzheimer’s disease.

CHe believes genetic mapping can help cure any disease.

DHe doesn’t want to know his chance of getting a disease.

3.According to Paragraphs 3 and 4if a person is at a higher genetic riskit is________.

Aadvisable not to let him know

Bimpossible to hide his disease

Cbetter to inform him immediately

Dnecessary to remove his anxiety

4.The underlined part “freak out” in Paragraph 5 is closest in meaning to “________”

Abreak down? Bdrop out

Cleave off? Dturn away

 

【答案】

1.B

2.D

3.A

4.A

【解析】

1.

解析 在第一段中通过两个问题引出本文要谈论的话题。

2.2】 D

解析 根据第二段“Nobel Prize?winning scientist James Watsonone of the first people to map their entire genetic makeupis said to have asked not to be told if he were at a higher risk for Alzheimer’s(老年痴呆症)可知,James Watson要求如果他的基因表明他有很高的老年痴呆症的可能性不要告诉他。

3.3】 A

解析 根据这两个自然段可知,如果你提前被告知你将来可能患某种可怕的疾病,你可能会心情焦虑甚至精神崩溃。故A项符合。

4.4】 A

解析 根据划线词所在句子及后一句可知,freak out的意思是break down(精神垮掉)

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I suddenly heard an elephant crying as though frightened Looking down I immediately recognized that something was wrong and ran down to the edge of the near bank There I saw Ma Shwe with her three-month-old calf struggling in the fast-rising water and it was a life-and-death struggle Her calf was floating and screaming with fear Ma Shwe was as near to the far bank as she could get, holding her whole body against the rushing water and keeping the calf pressed against her huge body . Every now and then the rushing water would sweep the calf a way.

There was a sudden rise in the water and the calf was washed clean over the mother’s body and was gone Ma Shwe turned quickly to reach it and pressed the calf with her head and trunk(象鼻)against the rocky bank Then with a huge effort she picked it up in her trunk and tried until she was able to place it on a narrow shelf of rock

Just at this moment she fell back into the river If she were carried down it would be certain death I knew as well as she did ,that there was one spot(地点)where she could get up the bank but it was on the other side from where she had put her calf

While I was wondering what I could do next I heard the sound of a mother’s love Ma Shwe had crossed the river and got up the bank and was making her way back as fast as she could roaring(吼叫)all the time but to her calf it was music.

1.The moment the author got down to the river bank he saw______.

A.the calf was about to fall into the river

B.Ma Shwe was placing the calf on the rock

C.the calf was washed away by the rising water

D.Ma Shwe was holding the calf against the rushing water

2.How did Ma Shwe manage to save her calf from the fast-flowing water?

A.By putting it on a safe spot

B.By pressing it against her body

C.By taking it away with her

D.By carrying it on her back

3.How did the calf feel about the mother elephant’s roaring?

A.It was a great comfort   B.It was a sign of danger

C.It was a call for help    D.It was a musical note

4.What can be the best title for the text?

A.A Mother’s Love      B.A Brave Act

C.A Deadly River      D.A Matter of Life and Death

5.What do you think about the elephant’s mzother doing?

A. Mother is the best in the world. B. Mother’love to child is great

C. Father is useless.        D.Wo should respect mother only.

 

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