昆虫接受信息的重要结构是 （ ）
A．复眼
B．单眼
C．翅
D．触角
答案：D
昆虫的触角具有触觉和嗅觉的功能，能靠触角接受信息。
She is very dear to us. We have been prepared to do _____ it takes to save her life. [ ]
A. whichever
B. however
C. whatever
D. whoever
下列哪项不是鸡内金的功效。（）
A.通淋化石
B.健运脾胃
C.消食化积
D.涩精止遗
E.行气止痛
