使鲜奶变成营养更丰富，更利于人体吸收的酸奶的是[ ]
A．酵母菌
B．枯草杆菌
C．乳酸菌
D．霉菌
C
They usually get there a little _____ than we _____. [ ]
A. earlier; did
B. earlier; do
C. earlier; get
D. more early; do
透过美国纽约九·一一事件，让我们反思什么？
