aa+1-a=aa+1-a2+aa+1=-a2a+1.
I let my children make their own decisions now they are older; I wouldn’t ______ to interfere.
A. presume B. resume C. assume D. consume
影像学上视网膜母细胞瘤一般分为以下哪几期()
A.眼球内期
B.眼压增高期
C.眼外眶内期
D.青光眼期
E.眼外眶外期