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【单选题】
山东省园林工程消耗量定额中, 园路、整理路床定额,按路床的设计图示尺寸以 “m2”计算。设计无规 定时,按设计路 面宽度(含路牙)每侧各加( ) 计算A.
10cm
B.
15cm
C.
20cm
D.
25cm
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皮皮学刷刷变学霸
举一反三
【单选题】在面向对象方法中,多态指的是 。
A.
客户类无需知道所调用方法的特定子类的实现
B.
对象动态地修改类
C.
一个对象对应多张数据库表
D.
子类只能够覆盖父类中非抽象的方法
【单选题】- What a new computer! Can you tell me ____? - Just the day before yesterday.
A.
when you bought it
B.
how much you paid for it
C.
when did you buy it
D.
how much did you pay for it
【单选题】以下哪个命令能获取系统的用户账号数量?
A.
account -l
B.
nl /etc/passwd |head
C.
wc --users /etc/passwd
D.
wc -l /etc/passwd
【单选题】—_____ big house you have just bought! —Thank you very much.
A.
What a
B.
What
C.
How a
D.
How
【单选题】以下哪个命令能获取系统的用户账号数?
A.
acount -l
B.
nl /etc/[passwd |head
C.
wc --users /etc/passwd
D.
wc --lines /etc/passwd
【单选题】听力原文：You just bought a computer, didn't you? (A) Yes, they delivered it yesterday. (B) I need a laptop. (C) No, it's not mine. (3)
A.
B.
C.
【单选题】---Have you bought ____________ for Linda’s birthday? ---- Not exactly. Just some flowers.
A.
something unusual
B.
anything unusual
C.
unusual something
D.
unusual anything
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