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【单选题】
下列约束中用于限制列的取值范围的是A.
primary key
B.
check
C.
default
D.
unique
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皮皮学刷刷变学霸
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【单选题】I just keep working hard as I have done, and ________ it will pay off. It has done so far and so I just have to do the same.
A.
eagerly
B.
hopefully
C.
immediately
D.
gradually
【单选题】These books attempt to _________ why that is, and what, if anything, should be done about it.
A.
manage
B.
explain
C.
hug
D.
handle
【单选题】I live ＿＿＿the market. So I have to drive to buy vegetable and fruits.
A.
far away
B.
near to
C.
far from
【单选题】I ____________ the League for two years so far.
A.
joined
B.
have joined
C.
join
D.
have been in
【单选题】－Have you written anything on Chinese traditional food so far? －_________, but I have a plan for it.
A.
Ever since
B.
Later on
C.
Not yet
D.
From now on
【单选题】These books explain what should be done about it.
A.
attempt to
B.
adapt to
C.
adjust to
D.
adhere to
【单选题】So far (the story) is from being true that (I was surprised) anyone (could have believed) it (was)so.
A.
the story
B.
I was surprised
C.
could have believed
D.
was so
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