The purpose of this passage is to discuss ______.
A. the beneficial use of microwaves
B. the harmful effects of microwaves
C. the modern methods of cooking
D. the use and possible harmful effects of microwaves
查看答案
Which unit belongs to the Customary System
A. meter
B. kilogram
C. second
D. foot
患者，女，72岁。绝经23年，子宫萎缩，Ⅲ度脱垂，伴有冠心病。应首选的治疗措施是
A. 补中益气汤
B. 阴道子宫全切术及阴道前后壁修补术
C. 子宫托
D. 阴道纵隔形成术
E. 针灸治疗
London's Big Bang and Japan's Big Bang ______.
A. are closely related with each other
B. have only a little relation ship with each other
C. are same in quality
D. am same in results
Which of the following is a true statement
A. Since 1866, use of the metric system in the U.S. has been increasing.
B. Since 1988, the metric system has been the preferred system of weights and measures for U.S. trade and life.
C. In 1988, Congress passed a law to prevent the use of the Customary System in trade and commerce.
D. On Dec. 23, 1975, Pres. Gerald R. Ford signed the Metric Conversion Act of 1975 to adopt the metric system in the U. S.
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