含有糖的培养基,高压时避免糖的破坏,高压15分钟时温度应为()
A.126.2℃
B.121.3℃
C.113.0℃
D.105.7℃
E.102.3℃
参考答案:C
The West Lake is great. People ________ it every year.
A.are visiting
B.to visit
C.visits
D.visit
出口电池在报检时必须提供“进出口电池产品备案书”。( )