短文改错. 本题共有10处错误，请在原文中改正（满分10分）

My bicycle went wrong again. Tired with repairing it again and again, I decide to buy a new one. After school, I went to a shop locating in the center of the city with a friend called Jack. The black bicycle attracted my eyes as soon as we went into the store. It looked such cool that I could hardly wait to ride it. The shopkeeper told us that it is the latest bicycle. He wanted to charge me 800 yuan, that was too high for me. I just couldn’t afford for such an expensive one. Then I chose another one, which cost him only 200 yuan. It was not perfect, it was much better than the old one.

苯二氮类（地西泮）具有以下作用：①抗焦虑作用；②催眠镇静作用为小剂量镇静，较大剂量催眠，表现为对快波睡眠（REMS）影响小，停药后反跳现象轻；治疗指数高，对呼吸影响小，不引起麻醉，安全范围大；对肝药酶几无诱导作用：依赖性、戒断症状轻。③抗惊厥、抗癫痫作用，癫痫持续状态的首选药是地西泮；④中枢性肌松作用。（）

A.口服比肌内注射吸收快

B.有抗惊厥、抗癫痫作用

C.其代谢产物也有一定作用

D.口服治疗量对呼吸影响很小，安全范围大

E.较大量可引起全身麻醉