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[主观题]

【C3】A．at displayB．on displayC．on the spotD．on the scene

【C3】

A．at display

B．on display

C．on the spot

D．on the scene

答案

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发布时间：2020-09-04

更多“【C3】A．at displayB．on displayC．on the spotD．on the scene”相关的问题

第1题

【C3】A．at leastB．at mostC．in additionD．at last

【C3】

A．at least

B．at most

C．in addition

D．at last

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第2题

【C3】A．atB．withC．overD．to

【C3】

A．at

B．with

C．over

D．to

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第3题

【C3】A．at leastB．at lastC．at mostD．mostly

【C3】

A．at least

B．at last

C．at most

D．mostly

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第4题

【C3】A．atB．inC．from

【C3】

A．at

B．in

C．from

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第5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6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7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8题

Text … The decrease【C1】______blood pressure occurred【C2】______race or【C3】______and whether

Text

…

The decrease【C1】______blood pressure occurred【C2】______race or【C3】______and whether or not study participants are a "typical American diet",【C4】______is high in saturated fats and contains few fruits and【C5】______or the so-called DASH(for Dietary Approaches to Stop Hypertension)diet, which emphasizes lots of fresh【C6】______, low-fat diary, fish and fewer sweets and which was proved in 1997 to reduce hypertension. The biggest decrease in blood pressure in this study was recorded in subjects who ate the DASH diet and reduced their sodium【C7】______to 1 200mg a day.

Why is this significant？【C8】______-health experts estimate that Americans consume, on average, about 3 500 mg of sodium—【C9】______about 9 grams of salt — daily. It' s not【C10】______we' re that heavy-handed with the saltshaker. Most of our dietary sodium is added【C11】______food processing.【C12】______to 1 200mg, you'd have to forgo most【C13】______foods, take-out deliveries and restaurant meals.

So pay attention【C14】______how much salt you' re eating, but don' t forget to make fruits, vegetables and whole grains a【C15】______part of your diet. They' ll help【C16】______your cholesterol level【C17】______your blood pressure. Be sure to drink alcohol【C18】______, if at all.【C19】____________weight—even just 4.5kg—and exercising at least 30 minutes most days of the week can also have a marked【C20】____________on blood pressure.

…

【C1】

A．at

B．into

C．in

D．with

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第9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10题

Male lions axe rather reserved about expending their energy in hunting. More than three qu

arters of kills are made by lionesses. Setting off【C1】______dusk on a hunt, the lionesses are in【C2】______, tensely scanning ahead, the young lions fall playfully behind, and the【C3】______bring up the rear, walking slowly, their massive【C4】______nodding with each step as ff they【C5】______with the whole matter. But【C6】______may have survival value.【C7】______lionesses busy hunting, the males【C8】______as guards for the young ,【C9】______them particularly from hyenas (袋狼). Hunting lionesses have learnt to【C10】______their environment. Darkness【C11】______them with cover, and at dusk they【C12】______wait near animals they want to kill【C13】______their outlines blend into the surroundings. Small prey(猎物)present lions with no【C14】______. They are simply grabbed with the paws. A【C15】______technique is used with【C16】______animals, such as wildebeest (角马). Usually a lioness pulls her prey down【C17】______running up behind【C18】______, and then seizes it【C19】______the throat. Or she may place her mouth over the muzzle (动物之鼻口) of a drowned animal,【C20】______it.

【C1】

A．at

B．on

C．in

D．under

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