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【单选题】
电动冷却水温度控制系统面板布置如图7-2所示,系统投入工作后,主电源灯亮,但自动和手动控制电机都不转,其可能原因是___。A.
稳压电源MRS板有故障
B.
输入指示电路板MRB板有故障
C.
“增加”或“减少”输出接触器线圈断路
D.
热保护继电器动作没有复位
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举一反三
【单选题】．— Why didn’t you tell me the truth that day? — I _____, but you _____ for Fuzhou when I went to see you．
A.
did; would leave
B.
would; have left
C.
would have; had left
D.
had; left
【单选题】I found Henry looked ________ than last time when I went to see him. [ ]
A.
better
B.
well
C.
good
D.
worrying
【简答题】心理学的研究步骤是什么？
【简答题】美元标价法是以( )为单位货币或基础货币,( ) 为报价货币。
【单选题】She ______ when I went to see her.
A.
is reading
B.
have read
C.
was reading
D.
reads
【单选题】She _____ the room when I went to see her .
A.
doesn’t clean
B.
isn’t cleaning
C.
wasn’t cleaning
【简答题】心理学研究的步骤是什么。
【单选题】_______, when I went to town to see my sick teacher, he said to me, “I’ll come back to school again _______.”
A.
One day; the other day
B.
Some day; one day
C.
Some day; the other day
D.
The other day; some day
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