[2002全国] The research is so designed that once nothing can be done to change it. A. begins B. having begun C. beginning D. begun 题目和参考答案——青夏教育精英家教网—

题目内容

22.[2002全国] The research is so designed that once ________ nothing can be done to change it.

A. begins

B. having begun

C. beginning

D. begun

答案：A
提示：

题目考察so…that…句型中，that所连接的从句中的时间状语从句（once引导）的谓语动词

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相关题目

20.[2002全国] I wonder why Jenny ________ us recently. We should have heard from her by now.

A. hasn't written	B. doesn't write
C. won' t write	D. hadn't written

20.[2002全国] I wonder why Jenny ________ us recently. We should have heard from her by now.

A. hasn't written	B. doesn't write
C. won' t write	D. hadn't written

19.[2002全国] —You haven't said a word about my new coat, Brenda. Do you like it?

—I' m sorry I ________ anything about it sooner. I certainly think it's pretty on you.

A. wasn't saying

B. don't say

C. won't say

D. didn't say

19.[2002全国] —You haven't said a word about my new coat, Brenda. Do you like it?

—I' m sorry I ________ anything about it sooner. I certainly think it's pretty on you.

A. wasn't saying

B. don't say

C. won't say

D. didn't say

(10·全国ⅠD篇)

Science can't explain the power of pets, but many studies have shown that the company of pets can help lower blood pressure (血压) and raise chances of recovering from a heart attack, reduce loneliness and spread all-round good cheer.

Any owner will tall you how much joy a pet brings. For some, an animal provides more comfort than a husband/wife. A 2002 study by Karen Allen of the State University of New York measured stress (紧张) levels and blood pressure in people - half of them pet owners –while they performed 5 minutes of mental arithmetic (算术) or held a hand in ice water. Subjects completed the tasks alone, with a husband/wife, a close friend or with a pet. People with pets did

It best .Those tested with their animal friends had smaller change in blood pressure and returned

Most quickly to baseline heart rates .With pets in the room ,people also made fewer math mistakes

Than when doing in front of other companions. It seems people feel more released (放松)around

Pets, says Allen, who thinks it may be because pets don’t judge.

A study reported last fall suggests that having a pet dog not only raises your spirits but may also have an effect on your eating habits. Researchers at Northwesterm Memorial Hospital spent a

Year studying 36 fat people and were put on a diet-and-exercise programs; a separate group of

56 fat people without pets were put on a diet program. On average，people lost about 11 pounds，

Or 5% of their body weight .Their dogs did even better，losing an average of 12 pounds，more then

15%of their body weight .Dog owners didn’t lose any more weight than those without dogs but ,say

Researchers，got more exercise overall –mostly with their dogs –and found it worth doing.

67．What does the text mainly discuss?

A．What pets bring to their owners

B．How pets help people calm down

C．people’s opinions of keeping pets

D．Pet’s value in medical research

68．We learn from the text that a person with heart disease has a better chance of getting well if

____________

A．he has a pet companion

B．he has less stress of work

C．he often dose mental arithmetic

D．he is taken care of by his family

69．According to Allen, why did the people do better with pets around when facing stressful tasks?

A．They have lower blood pressure.

B．They become more patient.

C．They are less nervous.

D．They are in higher spirits.

70．The research mentioned in the last paragraph reports that

A．people with dogs did more exercise

B．dogs lost the same weight as people did

C．dogs liked exercise much more than people did

D．people without dogs found the program unhelpful

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