I think your tie ______ your shirt well. [ ]
A. fits
B. has
C. gives
D. matches
答案:D
河边有35棵杨树,杨树的棵数是柳树的5倍,杨、柳树共多少棵?
血浆内分解()
A.酯类局麻药
B.酰胺类局麻药
C.两者均有
D.两者均无