1986年4月15日美国第二次袭击利比亚，美国飞机从英国的基地起飞_爱下问搜题

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问题单项选择题

1986年4月15日美国第二次袭击利比亚，美国飞机从英国的基地起飞，飞行1万多公里，对的黎波里和班加西的5个目标实施了4个波次的轰炸，空袭持续了（）分钟就宣告结束。

A.6分钟

B.8分钟

C.12分钟

答案

参考答案：C

完形填空

Streit was an experienced safecracker who never used force—either against people or safes．He was a real of his trade and it took him only 19 minutes to open the most difficult he had ever met．In about 10 years， by his brother Stefan，he took about 33,000,000—from the safes of 28 banks in Austria．On his last job，he the safe door open and 80,000 behind．With the was a note，“We don't need all that much”．A witness his car and Streit was caught by the police．Then he was sent to Austria's Stein Prison to serve a six-year ．He boasted（吹嘘）at his trial that he would continue the law, “I'm a thief and I shall use every opportunity.” In spite of the prison officials moved Streit to the prison's blacksmith shop．One day during the week before Christmas，Streit ．Searchers found all his doors were well locked．Streit had to make a set of keys and let himself out．Not to ，though．After crossing into Bavaria，Streit the suspicion（怀疑）of German customs police on purpose and got himself ．“I want to be in a German prison, ”he to the surprised police．“As German coups give much milder（温和的）sentences for like mine and will the time I would otherwise have served in Stein Prison．”In prison，Streit his keepers to let him telephone his former keeper, Karl Schreiner of Stein Prison．“I'm sorry I caused trouble．I didn't want to anybody by escaping．Conditions weren't that bad．In fact the food was better than it is here．”

C．disappeared

选择题

如图所示，矩形线圈有N匝，长为a，宽为b，每匝线圈电阻为R，从磁感应强度为B的匀强磁场中以速度v匀速拉出来，那么，产生的感应电动势和流经线圈中的感应电流的大小应为（　　）

A．E=Bav，

B．E=NBav，

C．E=Bav，

D．E=NBav，