【单选题】【消耗次数：1】
属于PLC中的软件。
①
电源
②
编程器
③
监控程序
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随机题目
【单选题】
Monday Tuesday is OK. I will be free then.
①
Either;or
②
Neither;nor
③
So; that
④
Both; and
【单选题】
Jean did not have time to go to the concert last night because she was busy __________ for her examination.
①
to prepare
②
to be prepared
③
preparing
④
being prepared
【单选题】
The adviser recommended that Mary _____ the training program as soon as possible.
①
started
②
starts
③
start
④
would start
【单选题】
The computer doesn’t work well, so something _________ wrong.
①
can have gone
②
should have gone
③
must have gone
④
ought to have gone
【单选题】
He made a mistake, but then he corrected the situation it got worse.
①
until
②
when
③
before
④
as
【单选题】
Please help yourself to the fish.
①
Thanks, but fish doesn’t agree with me
②
Sorry, I can’t help
③
I don’t like fish
④
No, I can’t
【单选题】
The reason _________ I am writing this letter is to tell you about the meeting on Saturday.
①
because
②
why
③
for
④
as
【单选题】
Is that Mr Robert Lee?
①
Yes, Lee speaking
②
Hello, what do you want
③
Sorry, speaking
④
I don’t know
【单选题】
Hello, is that Shanghai Airlines?
①
Yes, can I help you?
②
Yes, what do you want?
③
Yes, you’re right
④
Yes, right number
【单选题】
May I see the menu, please?
①
That is the menu, sir
②
Yes, please go on
③
Here you are, sir
④
Of course, sir