多项选择题

根据《企业职工伤亡事故分类》(GB6441)，下列危险、有害因素中，属于不安全行为的有（）。

A.未锁紧开关
B.工件紧固不牢
C.机器运转时修理
D.防护装置缺乏
E.拆除安全装置

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多项选择题

按照安全评价结果的量化程度，安全评价方法可以分为定性安全评价方法和定量安全评价方法。下列评价方法中，属于定量安全评价方法的有（）。

A.概率风险评价法
B.危险指数评价法
C.故障类型和影响分析法
D.危险和可操作性分析法
E.事故引发和发展分析法

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Diet, Alcohol Linked to Nearly One Third of CancersDiet is second only to tobacco as a leading(51)of cancer and, along with alcohol, is responsible for nearly one third of cases of the disease(52)developed countries, a leading researcher said on Tuesday.Dr. Tim Key, of the University of Oxford, told a cancer conference that scientists are still discovering how certain foods contribute to(53), but they know that diet, alcohol and obesity(54)a major rolE.'Five percent of cancers could be avoided(55)nobody was obese,' he saiD.While tobacco is linked to about 30(56)of cancer cases, diet is involved in an estimated 25 percent and alcohol(57)about six percent.Obesity raises the(58)of breast, womb, bowel and kidney cancer, while alcohol is known to cause cancers of the mouth, throat and liver. Its dangerous impact is(59)when combined with smoking.Key told the meeting of the charity Cancer Research UK(60)other elements of diet linked to cancer are(61)unknown but scientists are hoping that the EPIC study, which is comparing the diets Of 500,000 people in 10 countries and their risk of cancer, will provide some(62).Early results of the study have revealed that Norway, Sweden and Denmark have the(63)consumption of fruit and vegetables among European countries while Italy and Spain have the highest. Eating at(64)five portions of fruit and vegetables a day is recommended to reduce the risk of cancer.Key, principal scientist on the EPIC study, said it is looking at dietary links to some of the most common cancers(65)colorectal, breast and prostatE.A.courseB.causeC.courtD.reason

A.Dr.
B.
'Five
C.
While
D.
Obesity
E.
Key
F.
Early
G.
Key,
H.
A.course
B.cause
C.court

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