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[单选题]
______ in the countryside made Mr. Wilson very hardworking when he was still young.(1分)
A
Bringing up
B
Being brought up
C
Having brought up
D
Brought up
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试题答案：
B
答案解释：
相关题目
3.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)3.1Friction arises when____.(1分)A. an opposing force of motion existsB. the energy is wastedC. everything is motionlessD. a complicated machine is supplied with energy
23.4 I did some odd jobs for the purpose of ___ .(2分)
By the time the fire engines arrived, the tall building ______ to the ground.(1分)
23.5 As the subject of medical experiments, the dog can also get benefit because ________.(2分)
Effective listening is more than simply _______ the bad habit of interrupting others while they are speaking or finishing their sentences.(1分)
She is distracted by a new message on her facebook, if _______ the instructions.(1分)
24.3 Why didn't the man raise his head when the writer approached?____
______is more or less educated can pass the oral test.(1分)
My mom doesn’t know how much I spent in buying the Iphone5; if she ever found out, I’m sure _______.(1分)
You should avoid highly perfumed products which can____ sensitive skin.
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