[填空题]The place people live in.

[填空题]The place people live in.

[多项选择]Some people say that older people should live with their adult children. Others say that they shouldn’t. Which do you think is good practice
In the first part of your writing you should present your thesis statement, and in the second part you should support the thesis statement with appropriate details. In the last part you should bring what you have written to a natural conclusion with a summary.
Marks will be awarded for content, organization, grammar and appropriateness. Failure to follow the above instructions may result in a loss of marks.
Write your essay on the ANSWER SHEET.

[填空题]People who live in heavily industrialized areas do not get as much sunlight as they should. Dust (1) over a city at altitudes (海拔) of between 4,000 and 8,000 feet cuts out between 20 and 50 percent of the sunlight and up to 90 percent of the ultraviolet light (紫外线). But dust is not the only thing to (2) about. When fuels are burned, whether in a factory, or in a home, or in the engine of a car, CO₂ is given off. CO₂ in the atmosphere acts as a kind of (3) around the earth, keeping warms in and so slowly raising the (4) of the earth. This could really change the climate all over the world.
Everybody wants to have a car. (5) , while they are giving us so much pleasure, cars are also poisoning us. The amount of dangerous substances sent out by a car is quite (6) . Did you know, for example, that a hundred cars produce on (7) a third of a ton of CO₂ as well a

[填空题]People who live in glass houses should not throw stones .

[填空题]Millions of people keep live fishes in home aquariums for biological research.

[单项选择]Why did ancient people usually live where there were plenty of trees（）
A. Trees provided them with shades.
B. Trees indicated plenty of sunlight and rainfall.
C. Trees were materials for burning and building houses.
D. Trees provided them with fruit and food.