绿篱应用时的最初功能，正如《诗经》中所说“摘柳樊圃”，意思是指（）的功能。
A、防护
B、装饰
C、作为背景
D、组织游览
参考答案：A
________ on ten years of observation and study, Professor Wang announced that everyone dreams every night，whether they realize it or not.
A．Basing
B．Based
C．Been based
D．Having based
能刺激胃粘膜，反射性引起支气管分泌增加而祛痰的药物是：
A.可待因
B.咳必清
C.氨茶碱
D.氯化铵
