People can live _________ plants.[ ]
A. with
B. without
C. in
D. nothing
答案:A
动物的运动并不是仅靠运动系统来完成的,它需要 的控制与调节。此外,还需要消化、呼吸、循环系统的配合,为动作的完成提供 。
“2012”, ________ disaster film directed by Roland Emmerich, is so attractive that I want to see it ________ second time.
A.the; the
B.a; a
C.a; the
D.不填; a