淀粉在片剂辅料中可用作：①填充剂②崩解剂③润滑剂④粘合剂⑤防腐剂
A．①+②+⑤
B．①+②+④
C．①+④
D．②+④
E．④+⑤
参考答案：B
–_______ is the weather today?
– Windy.
A．What
B．Why
C．How
D．Where
城市化
