矿用高强度圆环链分为()、C、D三个等级。
A、B
B、A
C、G
D、H
参考答案:A
This dress still looks beautiful on her _____ it is last year’s style.
A.because
B.though
C.if
D.since
牙齿和指纹一样,都能鉴别一个人的身份。