A:Oh, no. Let’s not
B:I’m very sorry, but I have other pla
C:I’d rather stay at home
D:Oh, no. That’ll be too much trouble
给下列语句中的字选择正确的读音。
列文虎克看____(kān kàn)守大门时,待____(dāi dài)着没事,就一边看门,一边磨____(mò mó)起了镜片。它把厚玻璃的四周磨薄____(báo bó),做成放大镜。
如图,已知楼AB高36米,从楼顶A处测得旗杆顶C的俯角为60°,又从该楼离地面6米的一窗口E处测得旗杆顶C的仰角为45°,求该旗杆CD的高.(结果保留根号)
____ Of her parents ____a doctor.