深访必须以面对面的形式进行。
参考答案:对
The seaside here draws a lot of tourists every summer. Warm sunshine and soft sands make ____ it
is. [ ]
A.what
B.which
C.how
D.where
220kV变压器注油完毕后,在施加电压前其静置时间不应少于()h
A.24
B.48
C.72
D.96