用24时记时法表示下列时刻.
早晨5时20分______,晚上11时45分______.
11时45分=11时+12时+45分=23时45分;
故答案为:5时20分,23时45分.
E-mail, as well as telephones, ______ an important part in daily communication.
A.isbeingplayed
B.areplaying
C.haveplayed
D.isplaying
矿车外廓尺寸主要是检查()、()、(),是否符合规定,以避免阻碍进出和翻煤罐笼。