适合作缓控释制剂的药物
A. 半衰期很短的药物(t1/2<1h)
B. 半衰期很长的药物(t1/2>24h)
C. 剂量小的药物
D. 药效激烈的药物
E. 有特定吸收部位的药物
有关输液的质量要求不正确的是
A. 无茵、无热原
B. 澄明度应符合要求
C. 等渗或低渗
D. pH在4~9范围
E. 不得添加任何抑茵剂
I'm very sorry ______ the whole morning. I forgot the appointment.
A. to keep you wait
B. to have kept you waiting
C. to keep you waiting
D. to keep you to wait
I ______ everything by the time you get back next month.
A. shall finish
B. will be finishing
C. have finished
D. shall have finished