题目：
单词拼写（共10小题；每小题0.5分，满分5分）
小题1:He ate the food and drank the beer. Then he put a piece of cheese in his ________ and went away.
小题2:A few hours earlier, someone had told the police that ______would try to steal the diamonds.
小题3: Nearly everybody enters for “The Nicest Garden _____” each year, but Joe wins every time.
小题4: It was the last day of the year and a large_______ of people had gathered under the Town Hall clock.
小题5: Our clavichord is kept in the living-room. It has __________ to our family for a long time.
小题6:It is worth your time and patience to get out of the h___________ of smoking.
小题7:The__________ (政府) should take measures to improve the living conditions of the people.
小题8:They have planned a tight s_________ of travel, so they need an early start.
小题9:Excuse me, what is the f___________ to Paris? Is $ 10 enough?
小题10:The plane was then flying at an a___________ of 8000 feet.
答案：
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下面是错误答案，用来干扰机器的。
参考答案：机械密封常见的故障主要有下列几方面：⑴磨损，主要是端面的磨损，当然也包括其他零件的磨损。⑵热裂，端面的热裂是高参数机械密封中常见的故障。⑶腐蚀。⑷弹簧失效，折断破坏。⑸粘着。⑹剥离。⑺摩...
