Ann has a fine reputation for being an old hand ______ cooking Italian food.
查看答案
三相变压器绕组为D联结时，绕组相电流乘以 就等于()
A. 线电流
B. 最大电流
C. 相电流
The ants, ________, have their times for play.
A. hardworking as are they
B. as they are hardworking
C. hardworking despite they are
D. hardworking as they are
I really don’t want to go tonight and I’m trying to _______an excuse.
A. think out
B. think about
C. think over
D. think up
In a word, we have no doubt ________ you are perfectly sound in mind and body.
A. that
B. when
C. what
D. whether
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