当老师进来的时候，我们正在愉快地交谈。

单项选择题How is the health of the population of Cubatao（）

A. There are more heart diseases among people who live near chemical factories.
B. More people suffer from lung diseases because of poisonous matter.
C. Their health is affected by pollutants the same way as that of other Brazilians.
D. Babies there are found not as bright as those who live in other places.

单项选择题The best way to protect children from improper material is（）

A. to install (安装) a content screener on the computer
B. to buy some search engines for the children
C. to be nearby when they are surfing the Internet
D. to talk to the children and persuade them to tell right from wrong

问答题一位著名的运动员将传送熊熊燃烧的火炬。

单项选择题14（）

A.days 
B.hours 
C.months 
D.minutes

单项选择题After taking an inventory, if the owner found that he had got more money than he had spent, he made（）

A. a profit
B. a loss
C. an income
D. an interest

单项选择题Which of the following statements is NOT true（）

A. Some 260 million people in the world have an adequate working knowledge of English.
B. There are some 260 million native speakers of English in the world.
C. It is almost impossible to estimate the number of people with an adequate working knowledge of English.
D. People learn English for a variety of reasons.

单项选择题Why do you think they had not a backup computer（）

A. Because it was easy down.
B. Because it was very expensive.
C. Because it was not advanced enough.
D. Because it was not as big as the main computer.

单项选择题What is the author’s purpose in taking Cubatao as an example（）

A. To show that industry can develop very fast in developing countries.
B. To show that the pollution problem in Brazil is extremely serious.
C. To show that industrial growth can cause pollution problems for developing countries.
D. To show that pollution is killing many people and destroying the whole economy of Brazil.

问答题在新学校里有这么多东西要学。

单项选择题13（）

A.problem 
B.disease 
C.danger 
D.wound