管线加油车机动灵活,可为停在任意位置的飞机实施加油。
参考答案:错
已知P:|2x-3|<1, Q:x(x-3)<0, 则P是Q的( )
A.充分不必要条件;
B.必要不充分条件 ;
C.充要条件 ;
D.既不充分也不必要条件
---Have you had lunch? ----_____.
A.Yes, How about you.
B.It’s very kind of you to invite me, but I’m afraid I hve no time.
C.Yes, why do you ask me?
D.All the dishes taste well.Thank you very much