Hardly ________ when she ________ someone knocking at the door.
A:did she sit, heard
B:did she sit, had heard
C:had she sat, had heard
D:had she sat, heard
如图,点O是∠BAC的边AC上的一点,⊙O与边AB相切于点D,与线段AO相交于点E,若点P是⊙O上一点,且∠EPD=35°,则∠BAC的度数为( )
进入青春期后,闭锁心理经常会困扰青少年,打开心灵之窗,走出闭锁心理,拥抱灿烂阳光,才有利于我们健康成长,下列做法中正确的是( )
①父母越来越不理解自己了,要找机会和他们谈谈心 ②碰到不高兴的事情,尽量闷在心里,不让别人知道 ③课堂上没有把老师讲的内容弄懂,主动去请教老师 ④离家出走,独自一人去网吧、游戏厅玩个痛痛快快