不会对尿pH试带法产生影响的物质是()
A.食物
B.标本放置时间
C.药物
D.疾病
E.睡眠时间
参考答案:E
The film was _____ interesting _____ everyone would watch it. [ ]
A. too, to
B. enough; to
C. so; that
D. such; that
加氢气密的基本要求有哪些?