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[单选题]
Do you consider____ more people over?
A
it any good sending
B
any good sending
C
that any good sending
D
any good to send
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试题答案：
A
答案解释：
相关题目
1.Friction is a force which opposes motion. Much of the energy supplied to a complicated machine with many moving parts is wasted in overcoming this opposition. The energy is converted into useless heat. The amount thus lost can be considerably reduced and the life of the machine prolonged by careful lubrication. This reduction improves the efficiency of the machine. Another way in which friction is reduced is to substitute roller or ball bearings for the earlier type of bearing, in which the surfaces in contact move by sliding. Bearings of these later types are used very extensively in many kinds of modern machinery.It must not be assumed, however, that friction is always a disadvantage. In many instances it is highly important. Belts are often used in conveying power from one machine to another. In the absence of friction, this could not be done. The driving wheel would not run the belt, neither would the belt run the wheel to driver. Without friction, then, belted machinery could not be used. Again in the case of all motor vehicles, friction is essential in the operation of the brake. Were there no friction, there could be no brake. But even this illustration does not give an adequate picture of the importance of friction. The vehicle could not even be started if it were not for the friction exerted between the tires and the road. Nails hold in wood, and screws hold in either wood or metal by reason of friction, without which they would be useless. Walking is difficult enough on an icy pavement, but it would be wholly impossible if there were no friction at all between the shoe and the pavement.(5分)1.1 Friction arises when____.(1分)A. an opposing force of motion exists B. the energy is wastedC. everything is motionlessD. a complicated machine is supplied with energy
This curtain does not ____ the carpet in your living-room, which is quite obvious.(1分)
1.In part, the sudden re-emergence of technological progress is the climax of years of research in different fields that are finally reaching critical mass.2.The Internet only became a commercial proposition in the mid-1990s. 3.The first successful gene-splicing (基因拼接) experiment was done in 1973, but biotechnology is only now set to explode.4.Moreover, different parts of the innovation wave are starting to feed reinforce one another, as fast computers greatly accelerate the ability of scientists to understmanipulate genes. 5.On the contrary, biological techniques now seem the best foundations for developing tomorrow's new generation computers.
3. A.whatever B.what C.how D.however
The developed countries decided to___some money to supporting world economic growth.(1分)
George took____ of the fine weather to do a day's work in his garden.
She said____ so I presumed it wasn't common knowledge.
Would you have paid____ for the bicycle if the salesman had insisted?
Such things, such as getting your luggage____ should be done in advance.
_______ can help curing his disease is worth trying, as sometimes folk remedy really works.(1分)
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1.
下列选项中，存在不当得利的是（）
2.
在软件开发工具的环境中，工作的范围和深度取决于( )A．开发人员的编程能力 B．开发工具的功能先进C．信息库的功能与内容 D．具有的开发团队
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下列不属于语言分化的现象的是
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China has hundreds of islands,________ the largest is Taiwan.(1分)
5.
6．下列关于手写签名与数字签名的说法中，正确的是
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