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10.—It’s a long time________I saw you last. —Yes，and what a pity it is now that it will be a long time________we see each other again.(1分)
A
A) before；since(B) since；when(C) since；before (D) when；before
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试题答案：
C
答案解释：
解题思路： 考察固定句型。It is a long time since…自从…以来已经很长时间了；it be+一段时间before从句；一段时间以后某事才发生。结合句意可知C正确。句意：—自从上次见到你已经很长时间了。—是的真遗憾啊！很长一段时间以后我们才又见面。
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21.It’s important to be on your guard when you are traveling to foreign countries. We’ve all heard the stories of unwilling travelers having their wallets stolen or finding themselves in the wrong part of town. Read the following tips and find out how you can stay safe while traveling abroad.First, you’d better carry a small amount of cash and a copy of your ID with you at all times. There is no need to bring large amounts of cash with you. Use your credit card instead. Second, don’t forget to lock your valuable things either in the safe in your hotel room or in the main hotel safe. Third, keep your wallet in your front pocket. For the ladies, it’s better to take a small purse under your arm so that there is no way someone’s hand could get in there without you noticing it. Fourth, be aware of your surroundings. Look around when walking, and avoid keeping your head low or being in a sleepy or drunk condition. Fifth, you should always know where you’re going. Look at the map before you leave the hotel so that you know where you’re going and how to get there.Finally, it will be a good choice to travel with your family, a friend, or a business partner if possible. It’s always better to travel in pairs than to go alone.(10分)21.1 The passage offered ______ traveling suggestions to the readers.(2分)A. fourB. fiveC. sixD. seven
You should read more, as book is to your mind _______ water is to your body.(1分)
22.3 When one player has won the game, you will hear____.(2分)
We have a relationship infinitely______ those of many of our friends.(1分)
Burying himself in the world of music, he was so busy with making music that he felt _______ lonely
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)3.1 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
7. (A)plain (B)wrong (C) good (D)terrible
If any lady owns this watch, will she please come forward and____ it?
The physician____ some painkillers for my headache.
If it's the first prize you're____, you can't expect to get it the easy way.(1分)
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