题目内容

表达式 3 and not 5 的值为True。

A. 对
B. 错

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下列表达式中返回True的是()。: A、 B、 C、0x56 > 56 D、

A. 3>2>2
B. 'abc'<'xyz'
C. 0x56 > 56
D. (3,2)>('a','b')

以下哪些是合法的布尔表达式()。

A. x in range(3)
B. 5=b
C. a>15 and 14==f
D. (c-6)>9

[音频]______ (1) week means different things to different students. For some students, exams are no sweat (不费力地). First-year business student Joe Tirpak said, "I don't let exams stress me out because I'm ______ (2) I'm as ______ (3) as I can be."For others, ______(4) is the key to ______(5) their exam jitters(神经过敏). Second-year marine science student Zac Duval said, "Having a year of experience has helped me know how to ______ (6) my time and be well-prepared."Then there's the ______(7) of students on ______(8) who acquire that sweaty, wild-eyed look from spending ______(9) hours hunched (弓起背部) over a book under a hot desk lamp. First-year sports management student Steve McMenamin said he's usually one of those ______ (10) students. "I'm thinking I'll be spending a lot of time on my porch(走廊) studying," he said.The problem of stress is not a new one.

Distance from the sunmeasured in million kilometersMars ___1___ million kilometersEarth ___2___ million kilometersmeasured in astronomical unitEarh ___3___ astronomical unitMars ___4___ astronomical unitColorEarh is a blue planetMars is a ___5___ planetSizeMars is ___6___ the size of earthGravityMars has ___7___ % of Earth's gravity.

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