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【单选题】
2015年12月10日,瑞典斯德哥尔摩音乐厅。诺贝尔奖颁奖仪式上,中国科学家从瑞典国王手中接过了诺贝尔( )证书。
A.
文学奖
B.
物理学奖
C.
生理医学奖
D.
化学奖
拍照语音搜题,微信中搜索"皮皮学"使用
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举一反三
【判断题】改变旋转磁场的转向即可改变电动机的转向,即:任意交换接入定子绕组三相电源中的两相,电动机就会反转。
A.
正确
B.
错误
【单选题】I insisted he______ back the wallet to the lady, but he insisted he______it.
A.
handed; didn’t steal
B.
hand; hadn’t stolen
C.
hand; not steal
D.
handed; hadn’t stolen
【判断题】三相电动机的正反转控制中,改变电动机三相交流电源中任意两相的相序,即可改变电动机的旋转方向。
A.
正确
B.
错误
【单选题】If he ___ that he ____ to work there, everything would be OK now.
A.
insisted, be sent
B.
insisted, was sent
C.
had insisted, be sent
D.
had insisted, was sent
【单选题】下列标识符中合法的标识符是( )
A.
int2
B.
if
C.
2two
D.
a # b
【单选题】His father insisted _____ him, but he insisted he _____ nothing to do with the matter. [     ]
A.
on punishing; should have
B.
he punished; had
C.
on punishing; had
D.
he punish; should have
【单选题】He insisted that his bike ______ stolen and his wife insisted he ______ have to telephone the police. [     ]
A.
has been; would
B.
had; would
C.
was; should
D.
had been; should
【简答题】电动机反转的方法 只需改变电动机旋转磁场的旋转方向,即改变输入电动机三相电源的 ( ),也就数 改变电动机任意两根引线的连接相序。
【判断题】在雾视时,应该让被检者平视看远,以减少调节因素造成的误差。
A.
正确
B.
错误
【判断题】反转即改变电动机的转向。
A.
正确
B.
错误
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