—______clever boy Billy is!A. What a B. How a C. What D. How

—______clever boy Billy is!A. What a B. How a C. What D. How

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—______the War of Independence, the United States was an English colony.A. Befor

—______the War of Independence, the United States was an English colony.A. Befor

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—______you like some coffee?A. Will B. Shall C. Would D. Should

—______you like some coffee?A. Will B. Shall C. Would D. Should

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电阻串联时,当在支路两端施加一定的电压时,各电阻上的电压为()。A.电阻越大,电压越大;B.电阻越大,电压越小;C.电阻越小,电压越大;D.

电阻串联时,当在支路两端施加一定的电压时,各电阻上的电压为()。A.电阻越大,电压越大;B.电阻越大,电压越小;C.电阻越小,电压越大;D.与电阻的大小无关。

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