Doctors have been warning for years that secondhand smoke leads to many types of illness. However, many children around the world live in areas where adults regularly smoke.

A journal called Annals of Family Medicine recently published an article calling for doctors to start treating children's contact with secondhand smoke as abuse （恶习）. In that case, contact to secondhand smoke would be viewed much like physical abuse. 

The author of the article is a professor at University of North Carolina School of Medicine. Dr. Adam Goldstein says secondhand smoke causes many diseases in children. These diseases include asthma（哮喘） and pneumonia（肺炎）. He adds that no amount of secondhand smoke is safe.

The U.S. Centers for Disease Control and Prevention agree that secondhand smoke can cause serious health problems in children. They say that compared to children who grow up in homes without smokers, children with parents who smoke have smaller lungs and more illnesses. 

The article about secondhand smoke and children comes at the same time the World Health Organization is increasing calls to fight against tobacco companies.

Dr. Margaret Chan is the director-general of the organization. She says she believes tobacco companies are trying to avoid and even weaken anti-tobacco laws.

Speaking in March at the World Conference on Tobacco or Health in the United Arab Emirates, Dr. Chan warned the fight against tobacco companies is going to be difficult. But, she added, "We should not give up until we make sure the tobacco industry goes out of business." Other leading public health researchers who spoke at the conference called for the sale of tobacco to end by 2040. 

About one billion people are expected to die from smoking and other forms of tobacco over the next century. Most of these deaths will be in low-to-middle-income countries.

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1.Who are the most innocent victim of smoke?

A Regular smokers.

B Secondhand smokers.

C Children.

D Doctors.

解析：选C。C。 推理判断题。根据文章第1段However, many children around the world live in areas where adults regularly smoke. 可知暗示了吸烟最无辜的受害者是儿童。

2.It is like_____for children to contact with secondhand smoke.

A asthma

B pneumonia

C diseases

D physical abuse

解析：选D。D。细节理解题。根据文章第2段contact to secondhand smoke would be viewed much like physical abuse可知，让儿童被动吸烟，就如对儿童的身体虐待。

3.Which of the following is true?

A Children in a non-smoker family have larger lungs.

B Children with parents who smoke have fewer lung illnesses.

C Children in a non-smoker family have smaller lungs.

D Children with parents who smoke have smaller chances to get illnesses.

解析：选A。A。推理判断题。根据文章第4段compared to children who grow up in homes without smokers, children with parents who smoke have smaller lungs and more illnesses. 与那些在不抽烟的家庭中长大的孩子相比，父母抽烟的孩子肺更小，疾病更多。所以推知，不抽烟的家庭中孩子的肺更大，A为正确答案。

4.Dr. Margaret Chan’s final goal is to_____.

A drive tobacco industry out of business

B end tobacco sale by the year 2040

C weaken anti-tobacco laws

D fight against tobacco companies

解析：选A。A。细节理解题。根据文章倒数第2段，陈女士说：We should not give up until we make sure the tobacco industry goes out of business。 可知，她的目的是让烟草退出市场。

5.What can be inferred from the last paragraph?

A One billion people are expected to die from smoking.

B It is easy to die from smoking and other forms of tobacco.

C Smoke affects more in low-to-middle-income countries.

D Most of smokers are in low-to-middle-income countries.

解析：选C。C。推理判断题。因为文章最后一段说，因烟草而死亡的人，大多数将在那些贫穷落后或中等国家。因此可推知，烟草对贫穷落后国家影响更大。