问题
单项选择题
时钟爆炸信号比验证爆炸信号大约提前（）ms。
A.1.5
B.1.25
C.1.0
D.0.5
答案
参考答案：B
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时钟爆炸信号比验证爆炸信号大约提前（）ms。
A.1.5
B.1.25
C.1.0
D.0.5
参考答案：B
完型填空（共20小题；每小题1．5分，满分30分） 阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上涂黑。 Tom was a middle-aged leather trader (皮货商) whose repeated failure in career made him a depressed man, often __1_ that he had been cheated by others. One day he told his wife he was so __2__ with the city that he had to leave. So his family moved to another city. It was the evening of a weekend. When Tom and his wife were busily _3_ up their new home, the light suddenly __4_. Tom was regretful to have forgotten to bring along 5__ and had to wait _6_ in a low mood. Just then he heard light, hesitant 27_ on his door that were clearly audible (听到) in the __8__ night. “Who’s it?” he wondered, since Tom was a _9__ to this city. And this was the moment he especially hated to be __10__, so he went to the door and opened it __11_. At the door was a little girl, shyly asking, “Sir, do you have candles? I’m your neighbor. ” “No,” answered Tom in anger and shut the door __12__. “What a nuisance (麻烦事)!” He complained over it with his wife. “No sooner had we settled down than the neighbor came to _13__ things.” After a while, the door was knocked again. He opened it and found the same girl outside. __14_ this time she was _15__ two candles, saying, “My grandma told me the new neighbor downstairs might need candles. She _16_ me here to give you these.” Tom was very _17__ by what he saw. At that moment he suddenly realized what caused his _18__ in life. It was his _19_ and harshness (刻薄) with other people. The person who had cheated him in life was _20__ nobody else but himself, for his eyes had been blurred (蒙蔽) by his unsympathetic （无同情心的）mind.
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