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【判断题】
运算放大器输入端电流为零,称为虚断,但工作时不能将其断开。A.
正确
B.
错误
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举一反三
【单选题】--- Why can’t I smoke? --- At no time ____ in the meeting room.
A.
does smoking permit
B.
is smoking permitted
C.
smoking is permitted
D.
permits smoking
【多选题】QDII基金不得有的行为包括( )。
A.
购买不动产
B.
购买贵重金属或代表贵重金属的凭证
C.
与中国证监会签署双边监管合作谅解备忘录的国家或地区券市场挂牌交易的全球存托凭证、房地产信托凭证
D.
远期合约、互换及中国证监会认可的境外交易所上市交易的权证、期权、期货等金融衍生产品
【简答题】期货交易中的贵金属包括（ ）。
【单选题】Smoking does great harm to our health. ( ) is smoking allowed in public places.
A.
In no time
B.
At a time
C.
At all times
D.
At no time
【单选题】—Can I smoke here?—No, at no time in the library.A．permits smokingB．does smoking permitC．smoking i
A.
—Can I smoke here? —No, at no time____in the library. A．permits smoking
B.
does smoking permit
C.
smoking is permitted
D.
is smoking permitted
【单选题】Smoking does great harm to our health. ( ) is smoking allowed in public places.
A.
In no time
B.
At a time
C.
At all times
D.
At no time
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