具有止呕功效的药物是（） A.苍术 B.砂仁 C.豆蔻 D.藿香 E.草豆蔻

阅读理解。

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下图是九年级化学上册中的一幅图片，请据此回答两个问题。    

(1)图中除导管外的两种主要仪器的名称分别    是：_________、_________；    

(2)做这个实验的目的是__________________，    标志该装置性能良好的现象是________________________________________________。

以下表面活性剂中，可作去污洗涤作用的是（）。

A、普朗尼克

B、卖泽

C、苄泽

D、苯扎溴铵

E、十二烷基硫酸钠

先天性甲状腺功能减低症治疗的主要目的是（）

A.减轻神经系统损害，维持正常生理功能

B.延长寿命

C.增加身高

D.增加体重

E.防止肥胖

瓦楞纸制的包装机器零件用的纸箱