报告期比基期销售额增加了4200元，为分析因销售量变动使销售额增长的绝对额，应选用的算式及结果为（）。
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13 The next morning she told us that the last question didn't depart till well after midnight.
A go B leave C come D appear
Which of the following statements about Trevor baylis is NOT true？
A. He runs.
B. He invented the clockwork radio.
C. He was once an entertainer.
D. He runs a company.
55
A. merit B) benefit C) profit D) advantage
57__
A. mounted B) called C) opened D) held
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