氨基酸和蛋白质代谢试验不包括()
A．硫化氢试验
B．七叶苷试验
C．吲哚试验
D．苯丙氨酸脱氨酶试验
E．氨基酸脱羧酶试验
参考答案：B
After the earthquake, the Haitian（海地的） people needed to be helped ______．
A．occasionally
B．anxiously
C．practically
D．urgently
On snowy days, you have to drive very ________ to avoid traffic accidents.[ ]
A. cautiously
B. neatly
C. smoothly
D. properly
