律诗分为____、____、____、____ 四联。
首联 颔联 颈联 尾联
The car is very good, but it's too dear (贵的) I can't _____ it. [ ]
A. sell
B. like
C. afford
D. see
血液中的有形成分有哪些?()
A.糖.脂肪.蛋白质
B.无机盐.白蛋白.球蛋白
C.红细胞.白细胞.血小板
D.红细胞.白细胞.血小板.蛋白质