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问题
判断题
账套号是区别不同账套的惟一标识。( )
答案
参考答案:
对
解答题
已知抛物线y=-x
2
-2x+a
2
-
1
2
,试确定此抛物线的顶点在第几象限.
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补全对话,情景问答
Think, look and write.(想一想,看一看,根据上下文和图片完成下列对话。)
1. What are you going
?
I'm going to buy a
.
2. How are you going to Wuhan ?
I'm going
.
3.
you go to school ?
I go to school on foot.
4.
are you going to do tomorrow ?
I'm going to
my
.
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