因溃疡病做胃大部切除术,适当的胃切除是()。
A.30%~40%
B.40%~50%
C.50%~60%
D.60%~70%
E.70%~80%
参考答案:C
对中性差的紧键联接,只能适用于低速传动。
—Do you mind coming to see me tomorrow?
—______. I'd like to talk with you. [ ]
A. Yes, I do mind
B. No, not at all
C. No, you mustn't
D. Yes, I'd love to.