A:where was it
B:where it wa
C:where was it that
D:where it was that
假如现在时间是下午四点整,请问手表上时针与分针所成的角是多少度(写出其中个即可),到当天晚上六点半时,时针和分针各转了多少度?
海拔每升高100米,气温约降低( )
“团结就是力量”,以下哪句话最能说明这个道理 ( )