高层民用建筑设置瓶装液化石油气间时,总储量超过1m3不超过3m3时,应独立建造。与高层民用建筑和裙房的防火间距不应小于()m。
A.6
B.9
C.10
D.13
参考答案:C
按照组成成分分类,分子组成中仅含有氨基酸的称为单纯蛋白质,分子组成中除了蛋白质部分还有非蛋白质部分的称为(),其中非蛋白质部分称辅基。
Smiling doesn't mean you're happy. Sometimes, it just means that you're strong enough to face problems.
A.fortunately
B.eventually
C.deliberately
D.necessarily