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How much change will the man receive？（）

A. $ 3.50.
B. $ 1.50.
C. $ 5.00.
D. $ 2.50.

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LEFT("ABCDEFG"，LEN(“计算机”))的计算结果是【9】。

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DOs and DON’TsThe following DOs and DON’Ts may help you to avoid becoming the victim of a pickpocket.DO carry with you only what you need; leave in your hotel’s safe such valuables as jewelry, airline tickets, travelers checks, credit cards, extra cash and your passport. Once admitted to France, American tourists do not have to carry passports at all times, a student card or driver’s license usually is enough if you are asked by a police to officer for identification.DO carry your passport separately from your wallet or handbag~ This is not always feasible for women, but men can carry their passports in a front pants pocket or inside jacket pocket.DON’T have one family or group member carry everyone’s passport; never put a group’s passports in the same bag or briefcase.DON’T leave your valuables in a locked car, locks are easily opened by experts, the trunk is not safe either.DOs:1. Put valuables in your(1) .2. Besides student card, showing(2) is enough when asked by the police.3. Men can put (3) inside jacket pocket.DON’Ts:1. Don’t put(4) passports in the same bag.2. A (5) car is not necessarily safe. 2（）

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56（）

A. No one likes to go to the cinema.
B. I like him very much.
C. The hero is played by Leo.
D. That’d be very kind of you.
E. It’s a new one, I suppose
F. Here is your seat.
G. Come on!
H. But something is wrong with my car.

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银汞合金是历史悠久的充填修复的材料，具有强度高、可塑性好、操作方便、与牙体组织密合等优点，近年来还在不断改进，提高性能为改善高铜银汞合金强度，新近产品中铜的含量已达到

A. 10%
B. 15%
C. 20%
D. 25%
E. 30%

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How much change will the man receive？（）

A. $ 3.50. B. $ 1.50. C. $ 5.00. D. $ 2.50.

LEFT("ABCDEFG"，LEN(“计算机”))的计算结果是 【9】 。

56（）

银汞合金是历史悠久的充填修复的材料，具有强度高、可塑性好、操作方便、与牙体组织密合等优点，近年来还在不断改进，提高性能 为改善高铜银汞合金强度，新近产品中铜的含量已达到

A. $ 3.50.
B. $ 1.50.
C. $ 5.00.
D. $ 2.50.

LEFT("ABCDEFG"，LEN(“计算机”))的计算结果是【9】。

银汞合金是历史悠久的充填修复的材料，具有强度高、可塑性好、操作方便、与牙体组织密合等优点，近年来还在不断改进，提高性能为改善高铜银汞合金强度，新近产品中铜的含量已达到