Neither Wei Hua nor Ann _____ on the team. [ ]
A. is
B. are
C. goes
D. go
答案:A
—Is there ______ wrong with your watch?
—Yes. It doesn't work well. That's why I was late today.[ ]
A. something
B. nothing
C. anything
D. everything
正常情况下原尿在肾小管中被吸收的部分占总量的()。
A.99%
B.95%
C.90%
D.50%
E.30%