成熟红细胞的特点包括（）。
A.双凹圆盘状
B.无细胞核
C.无细胞器
D.胞质内充满血红蛋白
E.以上均是
参考答案：E
---Could I ______ some money ______ you?
--- Sorry. I have little. But Tom can _____ some ______ you.
A. borrow; from; lend; to B. lend; to; borrow; from C. borrow; to; lend; from
人才测评的主要用途是什么？
