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【简答题】
在平面直角坐标系中，把抛物线 向上平移3个单位，再向左平移1个单位，则所得抛物线的解析式是 ．
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举一反三
【单选题】The reason why I worked as a waitress is that ______.
A.
I ran out of money
B.
I was proud of being a waitress
C.
I did not care for money
D.
I was sacked
【单选题】—You _______ to Joey. It was his fault. —The reason why I did so was that I didn't want to lose my friend.
A.
mustn't apologize
B.
didn't need to apologize
C.
shouldn't apologize
D.
needn't have apologized
【单选题】Although he talked half an hour, he couldn't give us a good ________ of the reason why he did it.
A.
idea
B.
explanation
C.
sense
D.
understanding
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