內浮顶油罐要严格把好浮盘建造和验收关，严格检验浮盘的起浮性能。
参考答案：对
I haven't read ____ of his books, but judging from the one I have read I think he's a very promising writer. [ ]
A. any
B. none
C. both
D. either
7岁小儿，腕部骨化中心的数目为（）
A.6个
B.7个
C.8个
D.9个
E.10个
