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【单选题】
在 DC-DC变换器中,升压变换器的“最恶劣”电压是输入电压的?A.
最大值
B.
最小值
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反馈参考答案：
举一反三
【单选题】Visitors not to touch the exhibits.
A.
will request
B.
are requested
C.
are requesting
D.
request
【单选题】Why must visitors not be alone?
A.
They may get lost.
B.
They have appointments with staff members.
C.
Company projects are confidential.
D.
They are special guests.
【简答题】What kind of visitors will not be received?
【简答题】将主动语态转化成被动语态 We asked the visitors not to touch the paintings.
【简答题】将下列句子变成被动语态: 1)We asked the visitors not to touch the painting.
【单选题】They have________signs in some places to remind (提醒)the visitors not to step on the grass.
A.
put on
B.
put up
C.
put down
D.
put out
【单选题】The visitors are not permitted _ the hall.
A.
enter
B.
entering
C.
to enter
D.
entered
【单选题】Which of the following did the visitors NOT do in the afternoon?
A.
Eat lunch with Mr. Shinawakra
B.
Take a tour of Diwikar Corporation
C.
Learn about corporate Thailand
D.
Hear about career opportunities
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