【单选题】【消耗次数：1】
示波器可以分为模拟示波器和数字示波器。
①
正确
②
错误
参考答案：
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相关题目
【单选题】
示波器内锯齿波发生器的作用是（）。
①
产生锯齿波，供观察和测量波形；
②
提供一个扫描信号，用来表达时间信息；
③
可接至示波管内水平偏转板，以合成李萨如图形；
④
是示波器的一个信号源。
随机题目
【单选题】
Mr. Clinton, together with his wife and children, _______ going to the park next weekend.
①
is
②
has
③
are
④
was
【单选题】
Since evidence of the fraud came to light, Congress has been demanding a ______ investigation.
①
horrible
②
thorough
③
thoughtful
④
weird
【单选题】
If it were not for the fact that he was a millionaire, she ____ him.
①
might never marry
②
will never marry
③
would never have married
④
would never marry
【单选题】
On his next birthday he （） married for ten years.
①
has been
②
will be
③
will have been
④
would have been
【单选题】
Hi, welcome back! Had a nice trip?____________
①
Oh, fantastic! Fresh air, and sunshine every day.
②
Come on, I’ve got lots of fun.
③
By the way, I don’t like Saturdays.
④
Well, I’ll look forward to your phone call.
【单选题】
What（）next will be discussed at the next meeting.
①
to do
②
is doing
③
will do
④
shall we do
【单选题】
_______ his sister, Jack is quiet and does not easily make friends with others.
①
Dislike
②
Liking
③
Alike
④
Unlike
【单选题】
How do you do? Glad to meet you._________
①
Fine. How are you?
②
How do you do? Glad to meet you, too.
③
How are you? Thank you!
④
Nice. How are you?
【单选题】
Don’t take any action until you are fully _____ with the situation there.
①
consented
②
content
③
obvious
④
acquainted