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【C9】A．At that timeB．By the timeC．In timeD．From time to time

【C9】

A．At that time

B．By the time

C．In time

D．From time to time

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更多“【C9】A．At that timeB．By the tim…”相关的问题

第1题

We finished all of the food at a sitting. The underlined part means ______.A．at one timeB．

We finished all of the food at a sitting. The underlined part means ______.

A．at one time

B．in time

C．on time

D．at a time

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第2题

【C9】A．at onceB．at firstC．at last

【C9】

A．at once

B．at first

C．at last

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第3题

She cried aloud all at once.A. for a long timeB. suddenlyC. for no reasonD. quickly

She cried aloud all at once.

A. for a long time

B. suddenly

C. for no reason

D. quickly

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第4题

Industrial safety does not just happen. Companies【C1】______ low accident rates plan their

safety programs, work hard to organize them, and continue working to keep them【C2】______ and active. When the work is well done, a【C3】______ of accident free operations is established【C4】______ time lost due to injuries is kept at a minimum. Successful safety programs may【C5】______ greatly in the emphasis placed on certain aspects of the program. Some place great emphasis on mechanical guarding. Others stress safe work practices by【C6】______ rules or regulations.【C7】______ others depend on an emotional appeal to the worker. But, there are certain basic ideas that must be used in every program if maximum results are to be obtained. There can be no question about the value of a safety program. From a financial standpoint alone, safety【C8】______ . The fewer the injury .【C9】______ , the better the workmans insurance rate. This may mean the difference between operating at【C10】______ or at a loss.

【C1】

A．at

B．in

C．on

D．with

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第5题

The evolution of artificial intelligence is now proceeding so rapidly that【C1】______the en

d of the century cheap computers【C2】______larger than portable typewriters will【C3】______, and that will be able to solve almost any【C4】______faster and more efficiently than we can. "Intelligence" in a machine,【C5】______in a human, is best【C6】______as the ability to solve complex problems swiftly. This【C7】______involve medical analysis and prescriptions,【C8】______legal matters—【C9】______short, replacing the profession of lawyers completely—or in【C10】______war-grams, in other words【C11】______governments whether【C12】______not to go to war.【C13】______computers have already intensified the deadlines of weapons, the prospect for the future is that they will【C14】______the more beneficial role of preventing wars.【C15】______asked to estimate the chances of victory, the computer will analyze facts【C16】______from the lire-long military expert with his optimistic sense and military enthusiasm.

When the same figures are fed into the emotionless machine each to be weighed with【C17】______objective and then judged【C18】______each other, the【C19】______, far more often than【C20】______in human decision-making, will be: "You start this war you will lose. "

【C1】

A．at

B．by

C．in

D．on

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第6题

We’ve had this car since_______.A. a long timeB. at least 3 yearsC. more than 6 months

A.A. a long time

B.B. at least 3 years

C.C. more than 6 months

D.D. my aunt died

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第7题

The evolution of artificial intelligence is now proceeding so rapidly that【C1】______the mi

ddle of this century cheap computers【C2】______larger than portable typewriters will【C3】______that will be able to solve almost any【C4】______faster and more efficiently than we can. "Intelligence" in a machine,【C5】______in a human, is best【C6】______as the ability to solve complex problems swiftly. This【C7】______involve medical analysis and prescriptions,【C8】______legal matters—【C9】______short, replacing the profession of lawyers completely or in【C10】______war games : in other words,【C11】______governments whether【C12】______not to go to war.【C13】______computers have already intensified the deadlines of weapons, the prospect is that they will【C14】______the more beneficial role of preventing wars.【C15】______asked to estimate the chances of victory, the computer will analyze facts【C16】______from the lifelong military expert with his optimistic sense and military enthusiasm.

When the same figures are fed into the emotionless machine each to be weighed with【C17】______objective and then judged【C18】______each other, the【C19】______, far more often than"【C20】______"in human decision making, will be: "You start this war you will lose."

【C1】

A．at

B．by

C．in

D．on

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第8题

A special lab at the University of Chicago is busy only【C1】______. It is a dream【C2】______

where researchers are at work【C3】______dreamers. Their findings have concluded that【C4】______dreams from three to seven times each night,【C5】______in ordinary life a person may【C6】______none or only one of his dreams.

While the【C7】______sleep, special machines【C8】______their brain waves and eye movements as well as the body movements that【C9】______the end of a dream. Surprisingly, all subjects【C10】______soundly.

【C11】______say that a person usually fidgets before a dream.【C12】______the dream has started, his body relaxes and his eyes【C13】______more active, as if the curtain【C14】______on a show. When the machine【C15】______that the dream is over, a buzzer wakes the【C16】______He sits up, records his dream, and goes back to sleep perhaps to【C17】______some more.

Researchers have found that if the dreamer, is【C18】______immediately after his dream, he can usually recall the entire dream, If he is allowed to sleep even【C19】______his【C20】______of the dream will have faded.

【C1】

A．at noon

B．in the morning

C．at night

D．in spring

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第9题

Not for a（n) __________ did I believed he had lied.A. timeB. ageC. periodD. instant

A. time

B. age

C. period

D. instant