抽油活门的操作是()。
A.电动的
B.气动的
C.由驾驶舱控制
D.人工的
参考答案:D
唐朝是我国诗歌创作的黄金时代,为我们留下了许多脍炙人口的诗篇,“两岸猿声啼不住,轻舟已过万重山”描写了放舟长江三峡的景象,诗句的作者是 [ ]
A.李白
B.白居易
C.杜甫
D.王维
It is obvious that talking about something behind others is what everyone will not ________.[ ]
A. come up with
B. put up with
C. keep up with
D. catch up with