专项工种罪犯每月考核的等级包括()
A、优秀
B、良好
C、合格
D、不合格
参考答案:C, D
.—May I close the window?
—__________.It’s really a bit cold now.
A.You are right.
B.Well done.
C.Go ahead.
D.You are welcome.
气体和液体都是流体,它们的共性是都具有()。