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问题 填空题

小明家的电能表月初的数字是，月末表盘的示数如图所示。若按0.5元1kW·h的标准收费，他家本月应缴纳电费___________元。若电能表的转盘在l0min内转过400转，则接在该电能表上的用电器总功率为_____________W。

答案

42  1200

电能表最后一位位小数。因此本月用电为，电费为元。电能表为2000r/kw`h，转过400转，用电，则电功率，需要注意单位统一的问题。

多项选择题 X型题

以下有关运用计算机检索药物信息的方法中，正确的是（）

A.截词检索法

B.组配检索法

C.加权检索法

D.综合检索法

E.扩检与缩检法
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单项选择题

The following data sufficiency problems consist of a question and two statements, labeled (1) and (2), in which certain data are given. You have to decide whether the data given in the statements are sufficient for answering the question. Using the data given in the statements plus your knowledge of mathematics and everyday facts (such as the number of days in July or the meaning of counterclockwise), you must indicate whether.

If b＞a, then a is what percent of b ？（）
(1) a=4
(2) b=4a

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

D. EACH statement ALONE is sufficient.

E. Statements (1) and (2) TOGETHER are NOT sufficient.
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