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【单选题】
在从原点出发的射线与TC曲线的相切的产量上,必有:( )A.
AC值最小
B.
AC=MC
C.
MC曲线处于上升阶段
D.
上述各点
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举一反三
【单选题】He slipped and the wine______all over his coat, which was given as a present on his birthday party.
A.
spilt
B.
split
C.
spun
D.
spoiled
【单选题】Do you know _______ ?
A.
what is his name
B.
how is his name
C.
what his name is
D.
how his name is
【单选题】In the sentence 'Pepys slipped on his dressing gown', 'to slip on' can be replaced by______.
A.
to be wearing
B.
to be pushing
C.
to take off
D.
to put on
【单选题】I want to know _____. [ ]
A.
what is his name
B.
what's his name
C.
that his name is
D.
what his name is
【单选题】The boy slipped out of the room and headed for the swimming pool without his parents' ______.
A.
command
B.
conviction
C.
consent
D.
compromise
【简答题】In the sentence“Pepys slipped on his dressing-gown. ' 'slip on' means________ [A] to be wearing [ B ] to be pushing [C]to take off [D]to put on
【简答题】套筒类壁薄,加工时容易发生变形,可以采取 、 、 等措施。
【单选题】He slipped and had his leg broken. ____ , he will have to be away from school for two or three months.
A.
In any case
B.
After all C .As a result D. In this way
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