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【多选题】
下列属于外部设备的是( )A.
U盘
B.
键盘
C.
打印机
D.
音箱
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举一反三
【单选题】听力原文：We need to start immediately, don't we? (A) Yes, if we want to be on time. (B) Twenty minutes, I suppose. (C) Work starts at 9 o'clock, usually. (31)
A.
B.
【单选题】听力原文：We really need to buy a computer desk, don't we? (A) I can't afford to buy a new computer. (B) Well, this one is still good enough. (C) I put a disk on your desk. (25)
A.
B.
【单选题】关于内环境稳态的叙述,错误的是
A.
内环境的理化性质保持绝对平衡的状态
B.
由机体内部各种调节机制维持的动态平衡过程
C.
维持内环境理化性质相对稳定的状态
D.
.机体一切调节活动最终的生理意义在于维持内环境的相对稳定
E.
.揭示了生命活动的一个最重要的规律
【单选题】听力原文：W: Don't take too long at the snack bar. It's a quarter past 12. M: It's OK. We have 45 minutes before the plane leaves. Q: At what time is their departure scheduled? (15)
A.
12:15.
B.
1:10.
C.
1:00.
D.
12:30.
【单选题】关于内环境稳态的叙述,错误的是
A.
内环境的理化性质保持绝对平衡的状态
B.
由机体内部各种调节机制维持的动态平衡过程
C.
维持内环境理化性质相对稳定的状态
D.
.机体一切调节活动最终的生理意义在于维持内环境的相对稳定
E.
.揭示了生命活动的一个最重要的规律
【单选题】—I don't think we have met before，________？ —Yes，once at a party，but we weren't introduced.
A.
do I
B.
have we
C.
don't I
D.
haven't you
【单选题】听力原文：We've had quite unusual weather this summer, don't you agree? We are supposed to wear T- shirt at this time of the year. (24)
A.
Did you buy a new sweater on Sunday?
B.
Hasn't the weather been strange this summer?
C.
It's been very quiet this summer, hasn't it?
D.
You don't think the weather will change, do you?
【单选题】听力原文：Why don't we write a memo to all employees? (A) We didn't receive it. (B) That's a good idea. (C) They are in the Accounting Department. (27)
A.
B.
C.
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