注蜡时蜡料的温度过()，则流动性差，压出的熔模形状不完整，或尺寸不正确。
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Which of the following can be inferred from paragraph 4 about the third zone？
A. It is the most expensive area in which to live.
B. It does not have factories and businesses.
C. People who live there travel long distances to work.
D. Most of the residents there work and live in the same zone.
What has happened to Israels currency？
A. It has been influenced by war.
B. It is devalued by its government.
C. It is more competitive than before.
D. It has turned into a global currency.
合理用药的经济性是指
A. 针对所用药物或出现意外情况采取相应措施
B. 使患者用药后迅速达到用药目的
C. 药物使用时间应尽量缩短
D. 控制医药保健费用的过度增长
E. 药物使用方法易被医生和患者掌握
Why is the woman surprised by the price of Todays World？
A. She thinks that the book is in pretty bad condition.
B. She feels that she can find the book cheaper on the Internet.
C. She thinks the content of the book isn"t worth that price.
D. She says that the textbook is an old copy.
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