Would you mind _____ another cup of coffee?[ ]
A. have
B. having
C. to have
D. had
答案:B
头发色度由深到浅共分为10度,第10度代表非常浅的金色。
手术前准备的最根本目的是
A.预防术中各种并发症
B.防止切口感染
C.提高病人对手术的耐受力
D.促进切口愈合
E.促进术后康复