治疗闭角型青光眼应选用( )
A．乙酰胆碱B．氯琥珀胆碱(琥珀胆碱)C．毛果芸香碱D．筒箭毒碱E．新斯的明
参考答案：C
—Are you free after school?
—Sorry.I've planned to treat a friend of mine to dinner________for his help.[ ]
A. in addition
B. in turn
C. in return
D. in total
为什么可以说先锋小说的变化是“胜利大逃亡”？请举例说明。（6分）
