—Why can't you and Bill go to the movies

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问题选择题

—Why can't you and Bill go to the movies tonight?

—We are _____ a history test tomorrow.[ ]

A. supposed to having

B. supposedly to have

C. supposed to have

D. supposedly to having

答案

答案：C

单项选择题

如图所示，导体回路处在一均匀磁场中，B=0．5T，R=2Ω，ab边长L=0．5m，可以滑动，a=60°，现以速度v=4m／s将ab边向右匀速平行移动，通过R的感应电流为：（）

A.0.5A

B.-1A

C.-0.86A

D.0.43A

单项选择题 A1/A2型题

下列有关口服避孕药的禁忌证，应除外（）

A.急、慢性肝炎

B.血栓性疾病

C.哺乳期

D.慢性宫颈炎

E.乳腺癌术后