在甲午中日战争中,导致清军北洋舰队全军覆没的战役是 [ ]
A、威海卫战役
B、黄海海战
C、中途岛战役
D、旅顺战役
答案:A
I came in tired and happy and badly in need_____ a bath. However, my elder brother insisted there wasn’t much need______ one
A.of; for
B.for; of
C.for; for
D.of; of
活塞式压缩机气缸有异声的原因可能是()。
(A)吸气阀泄漏
(B)气缸余隙大
(C)气缸余隙太小
(D)排气阀泄漏