“五色令人目盲，五音令人耳聋，五味令人口爽，驰骋田猎令人心发狂。”老子这一主张本

— Do you drink alcohol?

— No, but I used to be a man         alcohol.

A．addicted to

B．was addicted to

C．addicted myself to

D．had addicted to

—Who came out______first in the London Marathon?

—Michael.He’s always______first to reach the line.

A．the;the

B．/；/

C．the;/

D．/;the

—Have you read a book called Jane Eyre?

—Who _____it ?

A writes   B has written   C was writing    D wrote

（6分）按要求写出：

的结构简式_________；的键线式______；

的分子式___________。

由农药引起的食物中毒为______

A．有毒动植物中毒
B．化学性食物中毒
C．细菌性食物中毒
D．真菌性食物中毒