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【单选题】
对数频率特性在低频段主要由积分环节和开环增益起作用。开环增益决定低频段的高度,积分环节决定低频阶段的( )。A.
宽度
B.
幅值
C.
斜率
D.
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举一反三
【单选题】听力原文：M: Hurry up, Kate. We'll be late. W: I am hurrying. I can't move any faster. M: It's always the same. We can never get anywhere on time. W: Right! I'm ready. Really, David, if you gave me some he...
A.
She hasn't got ready yet.
B.
She is waiting for David.
C.
She is waiting for a taxi to pick her up.
D.
It is raining very hard and she doesn't have an umbrella.
【单选题】—Hurry up! If the fire spreads to the stairs, it could block our way out! —_____________This is no time for talking.
A.
Let's run.
B.
We'd better call 911.
C.
You're right!
【单选题】— We'd better go downstairs right now for lunch. — _____ They serve food 24 hours a day. [ ]
A.
Hurry up!
B.
Take your time.
C.
No way!
D.
It doesn't matter.
【简答题】X=0.1000,Y=-0.1010,利用原码一位除求X/Y=( )
【单选题】听力原文：M: Hurry up, dear. The movie will start at 7:40 p.m. We only got ten minutes left. W: All right. We'd better take a taxi. Q: What's the time now? (2)
A.
7:20 p.m.
B.
7:30 p.m.
C.
7:40 p.m.
D.
7:50 p.m.
【单选题】We'd better hurry up, of the time used up.
A.
Two-thirds; are
B.
Two-thirds; has been
C.
Two-third; is
D.
Two-thirds; have been
【单选题】听力原文：M: Hurry up, Kate. We'll be late. W: I am hurrying. I can't move any faster. M: It's always the same. We can never get anywhere on time. W: Right! I'm ready. Really, David, if you gave me some he...
A.
Because she hasn't got ready yet.
B.
Because she is waiting for David.
C.
Because she is waiting for a taxi to pick her up.
D.
Because it is raining very hard and she doesn't have an umbrella.
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