Ulcers

　　1.題目：According to the passage, which of the following is a very likely cause of ulcer in men?

　　答案：A)Smoking and stress.

　　2.題目：What factors contribute to over half the ulcers?

　　答案：C)Environmental factors.

　　3.題目：In relation to ulcers, experts study twins in order to examine

　　答案：C)the roles of both genetic and environmental factors.

　　4.題目："Environmental effects" in the forth paragraph refers to effects brought about by

　　答案：B)smoking and stress in men and use of pain­ — Killing medicine in women.

　　5.題目：The passage argues that

　　答案：B)ulcers are chiefly related to lifestyle.

　　速記口訣：

　　潰瘍

　　1.抽煙壓力得潰瘍____________________

　　2.環(huán)境加重潰瘍病____________________

　　3.基因環(huán)境均考察____________________

　　4.環(huán)境乃指煙和藥____________________

　　5.生活方式惹潰瘍____________________[衛(wèi)生類C]