________ the milk in the bottle? [ ]
A. Have all
B. Is all
C. Are all
D. All are
答案:B
血红蛋白低于或等于()时,卧床休息,活动时动作要缓慢,避免突然体位改变。
A、40g/L
B、50g/L
C、60g/L
D、70g/L
Miss Gao is strict ______ herself ______ everything. [ ]
A. with, at
B. with, about
C. in, with
D. with, in