【单选题】Passengers to Tianjin please get your tickets ready and wait ___ your turn to board.
【单选题】听力原文:W: Could you please turn down your TV a little? M: Sorry! Are you still preparing for the final exam? Q: Why did the woman ask the man to turn down the TV? (2)
A.
She didn't want to watch TV.
B.
She wanted to go to bed.
C.
She wanted to listen to the radio.
D.
Her study was disturbed.
【单选题】关于药物的副作用和毒性作用的描述正确的是
【单选题】关于药物的副作用或/和毒性作用的描述正确的是
【判断题】药物毒性作用在一般情况下是可以预知的,也是可以避免的。