10.聽對話,回答問題。 (1)What is Lisa going to do this Saturday? A.To go boating. B.To have a picnic. C.To plant some trees. (2)What does Leo decide to go to Century Park for? A.To pick up rubbish. B.To play chess with his friends. C.To take a walk.
11.聽對話,回答問題。 (1)When did Amy join the department? A.Three years ago. B.Two years ago. C.One year ago. (2)Why does Amy work in the department? A.Because she wants to teach students how to write notices. B.Because she wants to call on people to raise money. C.Because she wants to tell people how to protect the environment.
12.聽對話,回答問題。 (1)Why did Mike go back to his hometown? A.Because he missed his parents very much. B.Because he missed his grandparents very much. C.Because he wanted to visit his friends. (2)Where are they talking? A.At school. B.At home. C.In the zoo.
45.Artificial(人造的) light is necessary in our modern society.(1)
the increased use of lighting can cause some problems.Light in the wrong place and at the wrong time can disturb us. How to(2)
/pr?'vent/light pollution?Before answering the question,please think of a few simple questions:Is the lighting necessary?Could safety or security be achieved by other(3)
( way)?Do the lights have to be on all night?Will it matter if we turn them(4)
? If lighting is the best choice,then only the right number of lights for the task should be installed(安裝).Lighting will then become a problem if lights are poorly designed or incorrectly installed. If lighting(5)
necessary,a number of ways can be taken to stop causing harm:For a family,(6)
150 W lamp is enough.High power(300/500 W) lamps can(7)
/kri'e?t/ too much light.As we all know too much light is sometimes(8)
( danger).It can make our(9)
( eye) lose sight for a short time.For an all-night porch(走廊),a 9 W lamp is OK in most situations. Make sure that lights are correctly adjusted(調整) so that they only make the surface bright and do not(10)
Tips What kinds of environmental problems are there in your school? What should you do to solve these problems? Why is it important to build a green school?