⑴Do you know the Great Wall?____
⑵How do you go there?____
⑶How long is Wusi Road?____
⑷How old is your mother?____
⑸How do you feel?____
A. Take a bus.
B. I feel tired.
C. She is 40 years old.
D. Yes,I do.
E. It's about 1000 metres.
-- Don't keep water running when you wash hands.
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两组邻边分别相等的四边形叫做筝形.如图1,四边形ABCD是一个筝形,其中AD=CD,AB=CB,我们称这个四边形是“筝形ABCD”.
下列图形中,不能由图形M经过一次平移或旋转得到的是( )