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【单选题】
某电阻两端的电压为12V时,电流为2A,当电流为3A的时候,则该电阻两端的电压( )。A.
9V
B.
24V
C.
18V
D.
36V
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举一反三
【单选题】The stamps are used for_________(send) letters.
A.
send
B.
sending
C.
sends
D.
to send
【简答题】外科病人的分类
【简答题】根据所给的汉语提示，转换下列句型。 1. Stamps are used for sending letters .(对画线部分提问) _____ are stamps used_____? 2. The little boy was made to do heavy work by the boss.(改为主动语态) The boss _____ the little boy _____ hea...
【单选题】What are the usage of these vanity stamps?
A.
They can be used normally to mail a letter.
B.
They can only be used for exhibition.
C.
They are used to attract more tourists.
D.
They are used to post on famous buildings.
【单选题】What is the usage of these vanity stamps?
A.
They can be used normally to mail a letter.
B.
They can only be used for exhibition.
C.
They are used to attract more tourists.
D.
They are used to post on famous buildings.
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