It has stopped _____________.
A:rain
B:to rain
C:to raining
D:raining
如图,小阳发现电线杆AB的影子落在土坡的坡面CD和地面BC上,量得CD=8米,BC=20米,CD与地面成30°角,且此时测得1米的影长为2米,则电线杆的高度为( )
事情已经发展到双方家长被叫来的阶段。
The incident had reached to a ____ ____ both their parents were to be called in.
“诸子百家论社会变革,百家争鸣现思想博弈”此种情形出现的原因不包括( )
以下厨房发生的变化中属于化学变化的是 【 】