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【多选题】
逻辑函数的特点A.
逻辑函数和逻辑变量的取值只有0和1两种可能
B.
函数和变量之间的关系由与、或、非三种基本的运算决定
C.
逻辑函数和逻辑变量的取值有多种可能
D.
函数和变量之间的关系除了与、或、非三种基本的运算外，还有与或与或、与非与非等关系
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反馈参考答案：
举一反三
【单选题】--- What a beautiful day! --- Yes, it is _______ that I’d like to take a walk．
A.
such a nice weather
B.
so a nice weather
C.
such nice weather
D.
so nice weather
【单选题】I can show you around, if you like.()
A.
Let's go.
B.
Sure. Thank you.
C.
I can't wait.
【单选题】听力原文：M: I’d like to take a trip for my long vacation, but I am not quite sure where to go. W: I suggest you go to Yunnan province. My friends were so much impressed by the great scene of the snow moun...
A.
Korean Disney Land.
B.
The beauty of Dalian.
C.
What to prepare for a trip.
D.
Where to go for the vacation.
【简答题】听录音，选句子。 ( ) 1. A. Here it is! ( ) 2. A. Come on! ( ) 3. A. I can show you. ( ) 4. A. I can send an e-mail to my mum. B. Here is it! B. Go on! B. I can help you. B. I can write a lette...
【单选题】一I’d like to take a long holiday. 一 . We are too busy!
A.
Don’t worry.
B.
Forget it.
C.
It’s all right.
D.
I can’t follow you.
【单选题】---Look! There is beautiful rainbow in the sky． ---Wow, it’s so beautiful. I’d like to take a photo of rainbow before it disappears．
A.
a; the
B.
the; a
C.
the; the
D.
a; a
【单选题】—Sir, I’d like to take a week’s holiday. —____. We’ re too busy now.
A.
Forget it
B.
Don’ t mention it
C.
Don’t worry
D.
Pardon me
【简答题】I can show you _____.
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