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【单选题】
关于下列视图创建和使用的一些最常见的规则和限制中,说法错误的是( )。A.
对于可以创建的视图数目没有限制。
B.
视图可以嵌套，即可以利用从其他视图中检索数据的查询来构造一个视图。
C.
视图能够索引，也能有关联的触发器或默认值。
D.
视图可以和表一起使用。例如，编写一条联结表和视图的SELECT语句。
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举一反三
【简答题】Our teacher is always busypreparing lessons until 11 o’clock at night, we students have gone to sleep. A. thattime B. by which time C. bythat time D. which time
【单选题】If you want to be thinner, you must eat and exercise ______. [ ]
A.
more, less
B.
fewer, more.
C.
less, more
【简答题】--- I don’t like to have cake on my birthday. How about you? ---I don’t like it,________. I like eating noodles. too B. either C. or
【简答题】I think that our head teacher is always very (reason)_____.
【简答题】Our teacher always avoids (give) ______us direct answers.
【单选题】I eat some salad, but I ______. [ ]
A.
like it
B.
like them
C.
don’t like them
D.
don’t like it
【单选题】—How do you like your math teacher? —Our math teacher is always __________ with us.
A.
kind
B.
lucky
C.
patient
D.
sad
【单选题】If you want to be thinner, you must eat _____ food and take _____ exercise. [ ]
A.
much; more
B.
more ; less
C.
less; more
D.
less; less
【单选题】Our teacher always sees the _______ side of everything.
A.
spot
B.
negative
C.
efficient
D.
robot
【单选题】If you often tired, you______
A.
should eat more beef
B.
should go to bed early
C.
should eat more tofu
D.
A and B
相关题目：
【单选题】I eat some salad, but I ______. [ ]
A.
like it
B.
like them
C.
don’t like them
D.
don’t like it
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