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【简答题】
将需要用人造逆弧方法进行老练的管子装在高频设备上,为限制逆弧产生的短路电流,电路里接入()。
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举一反三
【简答题】He told me her name only after I ______ (ask) her twice.
【单选题】She told me her name only after I ___ her twice.
A.
would ask
B.
asked
C.
had asked
D.
had been asked
【简答题】She told me her name only after I (ask) her twice.
【多选题】拉弗曲线说明的经济含义包括()。
A.
高税率会有效增加财政收入
B.
高税率会损害经济发展
C.
高税率反而会减少税收收入
D.
低税率是税制设计的最佳选择
E.
高税率取得的税收可能与低税率取得的税收相等
【单选题】______ she joined the company only a year ago, she's already been promoted twice.
A.
Although
B.
Because
C.
If
D.
When
【单选题】She_____me only twice since last year.
A.
sees
B.
was seeing
C.
has seen
D.
have seen
【单选题】She told me her name only after I _________ her twice.
A.
asked
B.
ask
C.
had asked
D.
is asking
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