Bob and Bill ________ fruit.[ ]
A. are
B. don't like
C. likes
D. doesn't like
B
亨廷顿氏病家族的遗传病是什么?()
A、镰刀状贫血症
B、苯丙酮尿症
C、高胆固醇血症
D、血友病
按诊时应注意哪些事项?