卫氏并殖吸虫的储蓄宿主是()
A、虎
B、猫
C、犬
D、人
E、野猪
参考答案:A, B, C
The famous doctor is going to operate ________ this injured boy.[ ]
A. with
B. about
C. for
D. on
B787机型由()负责Y舱机上活动的组织开展并领取、交接竞拍机票等。
A.PS2
B.SS11
C.CF1