A:酵母菌只进行厌氧发酵
B:67%的酵母菌进行厌氧发酵
C:33%的酵母菌进行厌氧发酵
D:酵母菌停止厌氧发酵
参考词汇:lecture 讲座;museum 博物馆
A plan for Winter Camp
We will have a winter camp from January 21 to January 24 in Guangzhou. Here is the plan for the four days.
关于各大洲的分界线的叙述,正确的是( )
如图重为6牛的物体静止在水平面上,用力的图示法画出它所受的重力G.