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Filled with anger, a person tends to say ______ comes to his mind.
7个月前
To cross the road ____________, we should know something about the road ____________. ( )
8个月前
is it from the New Town to the old city centre?
1年前
1年前
如图,边长为2的等边△ABC内接于⊙O,△ABC绕圆心O顺时针旋转得到△A′B′C′,A′C′分别交于点E、D,设旋转角为a(0°<a<360°).
1年前