红细胞中的异常结构有（）
A.中毒颗粒
B.嗜碱点彩颗粒
C.嗜天青颗粒
D.H-J小体
E.杜勒小体
参考答案：B, C, D
We know that she enjoys _____ books very much.[ ]
A. read
B. reads
C. reading
D. to read
You will want two trees about ten feet apart, from ______ to suspend your tent.
A．there
B．them
C．which
D．where
