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【简答题】
已知A（﹣2，4）、B（3，﹣1）、C（﹣3，﹣4）且 =3 ， =2 ，求点M、N及 的坐标．
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反馈参考答案：
举一反三
【单选题】We will arrive at the cinema in ten minutes _____ there isn't too much traffic in the street. [ ]
A.
till
B.
though
C.
before
D.
if
【单选题】All the following can damage hearing EXCEPT______.
A.
excessive noise
B.
too much moderate noise for a long time
C.
intense noise for even a short time
D.
moderate noise for a short time
【单选题】So many people violate traffic regulations that we ____ put too much emphasis on the importance of traffic safety.
A.
must not
B.
should not
C.
need not
D.
cannot
【单选题】------Don’t drive so fast please. There is _________traffic at this time of the day.
A.
much too
B.
too much
C.
many too
D.
too many
【单选题】I don't like those big cities which have got ____ people and ____ traffic. [ ]
A.
too much; too many
B.
many too; too much
C.
too many; too much
D.
too many; much too
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