使分子间产生摩擦而升温,灭菌的方法是()
A.超滤
B.流通蒸汽灭菌法
C.微波灭菌法
D.热压灭菌法
E.低温间歇灭菌法
参考答案:C
I visited quite a few relations and felt _____ tired during the Spring Festival.[ ]
A. a bit of
B. a lot of
C. a bit
D. a few
莫雷蒂是一位()设计师。
A.沙发
B.座椅
C.挂毯
D.挂钟