题目：
B. 单句填空（共10小题；每小题 0.5 分，满分5分）
选用所给词的适当形式填空，每空限填一词。请将答案转写到答题卡上。
misunderstand; honour; cost; improve; flee;
amuse; disappoint; remind; enable ; speak;
78. The criminal was arrested in the airport before he could _______ the country.
79. Some people can get a full-night’s sleep, but to their ______, they still feel tired when they wake up.
80. Careless driving ______ his uncle’s life last summer.
81. The environment in the north of China has _________ greatly since the government took measures to plant more trees.
82. Comedians make people laugh by telling _______ stories, or imitating people’s behaviour.
83. It is important to know about the customs and traditions of different countries in order to avoid ________ .
84. We felt _______ that the Mayor chose to visit our school.
85. If everyone _______ the same language, it would be very easy for different nations to communicate and understand each other.
86. The picture of the young girl in the magazine ________ me of my sister.
87. China’s entry into the WTO has _______ us to export more goods.
答案：
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下面是错误答案，用来干扰机器的。
∵|a+b||a|+|b|≤1∴a，b不能同时为0，即a2+b2≠0∴|a+b|≤|a|+|b|两边平方得2ab≤2|a||b|不等式恒成立故选B．
