2010年職稱英語考試閱讀理解模擬題與剖析(20)

作者：不詳　發(fā)布時間：2009-10-28 16:35:55　來源：網(wǎng)絡(luò)

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　　ulcers
　　even though ulcers appear to run in families， lifestyle plays more of a role than genetic factors in causing the illness， according to a report in the april 13th journal of internal medicine. in particular， smoking and stress in men and the regular use of pain-releasing medicines in women were linked with an increased risk of developing an ulcer.
　　overall， 61% of ulcer risk appears to be due to environmental factors， such as smoking， and the remaining 39% is due to genes according to dr. ismo raiha of the university of turky and colleagues at the university of helsinki， finland. some researchers had suggested that families may spread helicobacteria pylori， the bacteria that can cause ulcers. however， the new study suggests this is unlikely， according to the report.
　　raiha and colleagues studied data from more than 13，000 pairs of twins "to examine the roles of genetic and environmental factors in the origin of peptic ulcer disease，" they explain. both twins were more likely to develop an ulcer if the pair were genetically the same as compared with a pair of fraternal twins， suggesting that there must be some genetic susceptibility to ulcer development.
　　1. according to the passage， which of the following is a very likely cause of ulcer in men?
　　a) smoking and stress.
　　b) drinking and smoking.
　　c) genes and children.
　　d) use of a certain medicine.
　　2. what factors contribute to over half the ulcers?
　　a) hereditary factors.
　　b) economic factors.
　　c) environmental factors.
　　d) genetic factors.
　　3. in relation to ulcers， experts study twins in order to examine
　　a) the roles of genetic factors.
　　b) the roles of environmental factors.
　　c) the roles of both factors.
　　d) the roles of brotherhood.
　　4. what does "environmental effects" in the fifth paragraph refer to?
　　a) a clean environment with no smoke and dust surrounding the living area.
　　b) smoking and stress in men and use of pain-killing medicine in women.
　　c) factors shared by family members such as genes and the food they eat.
　　d) shared exposure to h. pylori infection in the unclean environment.
　　5. the passage argues that
　　a) ulcers are related to genes.
　　b) ulcers are related to lifestyle.
　　c) ulcers appear in men and women.
　　d) ulcers are caused by pylori infection.
　　key:accbb

輔導(dǎo)科目名稱		基礎(chǔ)班		精講班		沖刺班		考題預(yù)測班
類別	級別	課時	試聽	課時	試聽	課時	試聽	課時	試聽
綜合類	AB級	22講	試聽	40講	試聽	20講	試聽	10講	試聽
綜合類	C級	22講	試聽	40講	試聽	20講	試聽	10講	試聽
理工類	AB級	22講	試聽	40講	試聽	20講	試聽	10講	試聽
理工類	C級	22講	試聽	40講	試聽	20講	試聽	10講	試聽
衛(wèi)生類	AB級	22講	試聽	40講	試聽	20講	試聽	10講	試聽
衛(wèi)生類	C級	22講	試聽	40講	試聽	20講	試聽	10講	試聽

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