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二、完形填空 People in different countries have different ways of doing things. Something that is 41______in one country may be quite impolite in another. In Britain, you mustn't lift your bowl to your 42______ when you are having some liquid food. But it's 43______in China. And in Japan you even needn't worry about making 44______when you have it. It shows that you are enjoying it. But it is regarded as a bad manner in Britain. If you are a visitor in Mongolia, what manners do they wish 45______ to have? They wish you to give a loud “burp” (打嗝)46______ you finish eating. Burping shows that you like the food. In Britain, you should try not to 47______ your hands on the table when you're having a meal. In Mexico, however, guests are expected to keep their hands on the table during a meal. But in Arab countries you must be very careful with your hands. You 48______ eat with your left hand. Arab consider(认为) it very 49______manner eating with left hands. So when you are in other countries, 50______ carefully and follow them. ( )41. A. bad B. useful C. terrible D. polite ( )42. A. mouth B. nose C. ears D. eyes ( )43. A. same B. different C. important D. difficult ( )44. A. faces B. noises C. mistakes D. friends ( )45. A. them B. her C. you D. him ( )46. A. after B. before C. if D. until ( )47. A. give B. take C. bring D. put ( )48. A. needn't B. mustn't C. should D. may ( )49. A. different B. important C. good D. bad ( )50. A. see B. look C. read D. watch