①晓林小题大做、好大喜功 ②积累成功,有利于增强自信心
③容易滋长骄傲自满情绪 ④有利于鼓励自己,不断完善自我,扬起自信的风帆
A:①②
B:②④
C:③④
D:①③
What season is it?
He has two basketballs. One is new, ________ is old.
如图,四边形ABCD内接于半圆O,已知∠ADC=140°,则∠AOC的大小是( )