皮皮学,免费搜题
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搜题
【单选题】
空气相对湿度较大时,中药材不易( )。
A.
生虫
B.
霉变
C.
潮解
D.
风化
E.
走味
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举一反三
【单选题】______who are interested in the job please get in touch with us as soon as possible by telephone or e - mail.
A.
Those
B.
Anyone
C.
These
D.
No matter
【判断题】合欢属于浅根树种。
A.
正确
B.
错误
【简答题】看图,回答你所听到的问题。 Is this a watch? __________ What's your telephone number? __________ What's this? __________ Is this your watch? __________ Is this your computer? __________
【单选题】Please telephone me half an hour _______.
A.
in charge
B.
in advance
C.
in time
D.
in front
【单选题】RLC串联电路中,电阻、电感和电容电压有效值分别为30V 、60V 、20V ,则端口电压U为 ( )。
A.
10V
B.
50V
C.
90V
D.
150V
【多选题】在RLC串联谐振的交流电路中,
A.
阻抗最小
B.
电容电压和电感电压大小相等,相位相反
C.
无功功率为零
D.
有功功率为零
E.
电流最大
【单选题】If you need more information, please contact us______telephone or email.
A.
in
B.
by
C.
on
D.
for
【单选题】Could you please _______ us Tom's telephone number? [     ]
A.
tell
B.
to tell
C.
telling
D.
tells
【简答题】Please tell me the (win) telephone number, t want to interview him.
【单选题】RLC串联电路中,阻抗三角形中,三条边分别是
A.
阻抗、电抗、电阻
B.
有功功率、无功功率、视在功率
C.
电阻电压、电容电压、电感电压
D.
电源电压、电阻电压、电容和电感电压
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