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【简答题】
使用参照的方法使图(a)中的矩形旋转到直线位置,效果如图(b)所示;旋转(c)中矩形,使之与旁边的直线角度一致,效果如图(d)所示。简述两者区别。 (a) (b) (c) (d)
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【单选题】已知点A点B的坐标A(2,-3)、B(5,1)则A,B两点间的距离是 [     ]
A.
4
B.
5
C.
6
D.
7
【简答题】读下列小短文,你能模仿着写出你的爱好吗? Collecting stamps is my hobby. I like stamps, so I collect many stamps. There are some pictures of the West Lake, the Great Wall and the Changjiang River on them. They're from my ...
【单选题】English in many countries. But Chinese their own language. [     ]
A.
is spoken; speaks
B.
speaks; is spoken
C.
is spoken; speak
【判断题】《证券法》具有强制性。
A.
正确
B.
错误
【单选题】He never speaks to others until ______.
A.
he speaks
B.
spoken to
C.
he is spoken
D.
he speaks to
【单选题】I collect _____ .
A.
stickers
B.
sticker
【判断题】证券法的所有条款都具有强制性。()
A.
正确
B.
错误
【简答题】测定水分的意义有哪些?
【单选题】已知两点 A(-2,3) ,B(2,7)则线段 AB 的长度是
A.
4
B.
4
C.
D.
2
【单选题】I used to _____ to rock music, but now I collect coins. [     ]
A.
listening
B.
listen
C.
listens