[单项选择]

Although many factors affect human health during periods in space, weightlessness is the dominant and single most important one. The direct and indirect effects of weightlessness lead to a series of related responses. Ultimately, the whole body, from bones to brain, kidneys to bowels, reacts.
When space travelers grasp the wall of their spacecraft and jerk their bodies back and forth, they say it feels as though they are stationary and the spacecraft is moving. The reason is based in our reliance on gravity to perceive our surroundings.
The continuous and universal nature of gravity removes it from our daily notice, but our bodies never forget. Whether we realize it or not, we have evolved a large number of silent, automatic reactions to cope with the constant stress of living in a downward-pulling world. Only when we decrease or increase the effective force of gravity on our bodies do our minds perceive it.
Our senses provide accurate information about th
A. The inner ear.
B. The limbs.
C. The nerves.
D. The brain.

[单项选择]

Although many factors affect human health during periods in space, weightlessness is the dominant and single most important one. The direct and indirect effects of weightlessness lead to a series of related responses. Ultimately, the whole body, from bones to brain, kidneys to bowels, reacts.
When space travelers grasp the wall of their spacecraft and jerk their bodies back and forth, they say it feels as though they are stationary and the spacecraft is moving. The reason is based in our reliance on gravity to perceive our surroundings.
The continuous and universal nature of gravity removes it from our daily notice, but our bodies never forget. Whether we realize it or not, we have evolved a large number of silent, automatic reactions to cope with the constant stress of living in a downward-pulling world. Only when we decrease or increase the effective force of gravity on our bodies do our minds perceive it.
Our senses provide accurate information about th
A. many factors
B. the dominant and single movement
C. jerking the bodies back and forth
D. losing the dependence of gravity

[单项选择]

Key James, Secretary of Health and Human Resources in the Virginia State government, loves to turn the tables on those who don’t think it’s possible to be middle-class, conservative, educated and still be truly black. Once, during an abortion debate, a woman in the audience angrily told James she was so middle-class she didn’t have a clue about real African American life. "If you understood what these women go through," the woman said, "you would realize that abortion is their only choice."
James then asked the woman to consider a poor black mother on welfare. She already has four children and an alcoholic husband who has all but abandoned the family. Now she discovers another child is on the way. "How would you counsel that woman " asked James.
"Have an abortion," the woman responded. "That child would have a very poor quality of life."
"I have a vested interest in your answer,"
A. to move the tables
B. to carry the tables away
C. to gain courage
D. to gain an advantage after having been at a disadvantage

[填空题]The approach to health during the 1970s included the introduction of health awareness programs.

[单项选择]As in many other areas of human activity during the twentieth century, a number of specialized fields in accounting have evolved as a result of technological advances and accelerated economic growth. The most important accounting fields are described briefly as follows.
Financial accounting is concerned with the recording of transactions for a business enterprise or other economic unit and the periodic preparation of various reports from such records. The reports, which may be for general purposes or for a special purpose, provide useful information for managers, owners, creditors, governmental agencies, and the general public. Of particular importance to financial accountants are the rules of accounting, and generally accepted accounting principles. Corporate enterprises must employ such principles in preparing their annual re ports on profitability and financial status for their stockholders and the investing public.
Auditing is a field of activity involving an independent
A. Current data
B. Historical data
C. Statistical data
D. Up-to-date data