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【多选题】
闭路电视监控系统的控制部分,主要设备有A.
电动云台
B.
控制器
C.
多功能控制器
D.
视频控制器
E.
电子云台
手机使用
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新浪微博
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微信扫一扫
反馈参考答案：
举一反三
【单选题】What can't a good hearty laugh help do?
A.
reduce weight
B.
connect you to others
C.
lower blood pressure
D.
protect the heart
【单选题】It was such a funny show that people couldn’t help__________ again and again.
A.
laugh
B.
to laugh
C.
laughing
【单选题】A laugh can help people over an (awkward) situation.
A.
极大的
B.
令人尴尬的；笨拙的；棘手的；不方便的
C.
坚定自信的
【单选题】The story was so funny that we
( ) A. couldn't help laugh B. can't but laugh C. couldn't help laughing D. couldn't help but to laugh
A.
a
B.
b
C.
c
D.
d
【简答题】I can’t help _____ (laugh) at his joke.
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