Lung cancer is by far one of the most serious diagnoses, and it accounts for a huge number of cancer-related deaths worldwide. Historically, the disease has hit men hardest. But a new report finds death from lung cancer are beginning to surpass breast cancer for women living in the developed world.

In developed countries, lung cancer is now the leading cause of cancer deaths in both men and women. In less developed nations, lung cancer is the leading cause of cancer deaths in men, while women are more likely to die from breast cancer.

Smoking remains the leading cause of lung cancer for both men and women in the U.S. This may be because women today are picking up cigarettes at a much younger age.

However, in other parts of the world, environmental factors play a bigger role. Lung cancer rates among women in China were higher than women in some European countries even though Chinese women had lower rates of smoking.

“This is thought to reflect indoor air pollution and cooking fumes,” the researchers write in their study. 

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1.What does the underlined phrase “the disease”in paragraph 1 refer to ?

A Lung cancer.

B Breast cancer.

C Heart disease.

D War.

解析：选A。A 内容理解题。根据第一段内容可知从历史来看，男人更多死于肺癌，故the disease指肺癌，故选A。

2.___________die from breast cancer in less developed nations.

A Men

B Young men

C Women

D Young women

解析：选C。C 细节理解题。根据第二段最后一句In less developed nations, …while women are more likely to die from breast cancer.可知，故选C。

3.What can NOT cause lung cancer according to the passage?

A Air pollution.

B Cooking fumes.

C Smoking.

D Alcohol.

解析：选D。D 内容理解题。根据第三段第四段内容可知并没有提到酒精alcohol是肺癌的主要成因，故选D。

4.Which one is more likely to avoid getting lung caner according to the passage?

A Smoking women in developed countries.

B Smoking men in less developed countries.

C Women in cooking fumes.

D Women in clean air.

解析：选D。D 内容理解题。吸烟与油烟均是肺癌的成因，而干净的空气显然不是肺癌的成因，故选D。

5.Which statement is RIGHT according to the passage?

A Chinese women die from lung cancer due to their smoking too much.

B Environmental factors are the leading cause of lung cancer in developed countries.

C Breast cancer is another leading cause of death of women.

D People should take lung cancer more seriously than Breast cancer.

解析：选C。C 内容理解题。中国妇女死于肺癌主要是因为环境因素，故A选项错；吸烟才是发达国家妇女患肺癌的主因，故B选项错；D选项比起乳腺癌人们更应该重视肺癌显然是错误的；故选C。