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【单选题】
计算机软件一般可分为()两类。A.
系统软件和操作系统
B.
操作系统和网络操作系统
C.
系统软件和应用软件
D.
数据库管理系统和系统软件
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皮皮学刷刷变学霸
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【单选题】The man asked John ____ __ __ there was a bank nearby.
A.
that
B.
that if
C.
if
D.
where
【简答题】《山海经》里的女英雄是 ,第一个男性英雄是 。描述的动物共有 种,能够预示吉凶动物的共有 种。
【单选题】The elasticity of supply equals ( ) if the supply curve is horizontal.
A.
0
B.
1
C.
infinity
D.
-1
【单选题】She had a spacial VIP pass and ___ through the waiting crowd in front of the theater.
A.
lived
B.
looked
C.
put
D.
plowed
【单选题】She had a special VIP pass and ______through the waiting crowd in front of the theater.
A.
plow
B.
plows
C.
plowing
D.
plowed
【单选题】Who is __________ you? [ ]
A.
waiting for
B.
waiting with
C.
waiting at
D.
waiting to
【单选题】The elasticity of supply equals ( ) if the supply curve is vertical.
A.
0
B.
1
C.
infinity
D.
-1
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