The writers of this text want to give the impression that the PROTECT ALARMS system is ______ .
A. elementary
B. experimental
C. everlasting
D. economical
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As a result of restructuring, Vie Vitale's share price is now ______.
A. lower than at the start of the year
B. the same as the start of the year
C. higher than at the start of the year
La Face announced it is going to ______.
A. develop its own retail outlets
B. concentrate on mail order sales
C. sell through department stores
开放性的经济政策可降低对外贸易的传递作用。()
A. 正确
B. 错误
通过对外贸易所取得的超额利润一部分来自高于他国的劳动生产率,一部分来自对市场的垄断。()
A. 正确
B. 错误
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