()状矿物愈多时,岩石强度愈高。
A、粒状
B、片状
C、鳞状
D、柱状
参考答案:A, D
You _____ to town to see the film yesterday. It will be on TV tonight.
[ ]
A. didn't need to go
B. couldn't go
C. should not go
D. needn't have gone
动物防疫监督员、检疫员简称()。
A、两员
B、执法人员
C、工作人员