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【单选题】
以下代码段的输出结果是()Strings="Java World";System.out.print(s.index Of("a",4));
A.
-1
B.
O
C.
1
D.
4
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【判断题】逆变器采用负载换流方式实现换流时,负载谐振回路不一定要呈电容性。
A.
正确
B.
错误
【简答题】A:I talked to the manager about the other day. He said he is interested in seeing some about the logo. And he asked me to talk to you about it. What do you think we should do? B:That ’ s good news. We...
【单选题】()适用于铁路货车篷布的管理及自备篷布的管理
A.
《货车篷布管理规则》
B.
《铁路车站货运作业》
C.
《铁路货物运输规程》
D.
《货运日常工作组织办法》
【单选题】Last year she didn't ____ any letter. [     ]
A.
 wrote
B.
 writes
C.
 write
D.
 writing
【简答题】-Good news! Bill won_______ medal in the long jump just now. -Really? That ' s his_______ one at our sports meeting.A. a; four B. an; fourth C. a; fourth D. /, four
【简答题】三方切换时,最优先进行的是()切换
【判断题】逆变器采用负载换流方式实现换流时,负载回路不能工作在谐振状态。
A.
正确
B.
错误
【判断题】逆变器采用负载换流方式实现换流时,负载谐振回路不一定要呈电容性。
A.
正确
B.
错误
【多选题】Reasons why Alex doesn't like writing:
A.
He has no thoughts in his head.
B.
It's hard for him to explain his thoughts on paper.
C.
Thinking about writing gives him a headache.
D.
Nobody wants to help him with writing.
【单选题】The government just released international exchange rate statistics and reported that the real effective exchange rate index for the U.S. dollar vs the Japanese yen decreased from 105 last year to 95 ...
A.
importers; exporters
B.
importers; importers
C.
exporters; exporters
D.
exporters; importers
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