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【判断题】
电控阀的简单原理为:没有电流时电控阀不工作,阀内的加浓柱塞、加浓油针处于打开状态。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】The doctor finally gave up the ____ of medicine for full - time writing．
A.
days
B.
process
C.
skills
D.
practice
【单选题】听力原文：M: The doctor told me to quit drinking coffee. Otherwise I would have a serious problem with my throat. W: Shouldn't you quit drinking tea, too? Q: What does the woman suggest? (17)
A.
Tea is better than coffee.
B.
The man should switch to tea.
C.
The man should drink coffee.
D.
The man shouldn't drink tea either.
【单选题】By the end of last year he ______about 1500 English words.
A.
learns
B.
learned
C.
was learning
D.
had learned
【单选题】“The child’s life is not in danger any more,” the doctor said ________.
A.
in service
B.
in relief
C.
in peace
D.
in order
【单选题】( )4.By the end of this year all but two people____.
A.
Have left
B.
will be leaving
C.
will leave
D.
will have left
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