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I ________ in the city since I left school. I like this city very much now.
1年前
We all want to try something new, but finding the ________ to start is always the hardest part.
1年前
如图,将等边△ABC绕点C顺时针旋转120°得到△EDC,连接AD,BD.则下列结论:①AC=AD;②BD⊥AC;③四边形ACED是菱形.其中正确的个数是( )
1年前
y=xcosx在R是否有界,这个函数是否为x趋近正无穷时的无穷大为什么
1年前
If he ___________ on time, we will go without him.
1年前