大学英语专四听力重点预测试题2018

I give my whole water in joy,“ sings the waterfall, '' though little of it is enough for the thirsty.以下是小编为大家搜索整理的大学英语专四听力重点预测试题2018，希望能给大家带来帮助!更多精彩内容请及时关注我们应届毕业生考试网!

　　Crisis

Life is a contest! Who will win? A bluebird and sparrow both compete for space to build their nests. A fast-growing maple tree and slower-growing dogwood compete for the sunlight they both need. Oil competes with coal and nuclear power as an energy source for electric power plants.

There is a problem. There is a limited amount of space for birds, sunlight for trees, and energy for people! If we do not cut back on our uses of some of our resources, someday they will be gone!

How can we use energy today and know we will have enough to go around in the future? We can choose alternate, or replacement, energy resources. It takes the earth millions of years to create coal, oil, and gas. They are nonrenewable resources.

Solar energy, wind energy and water energy are renewable. What other ways can we conserve our resources? How can we make sure there is always enough to go around? (159 words)

　　Useful Words and Expressions:

bluebird n.北美产的蓝知更鸟

sparrow n.[鸟]麻雀

compete for为……竞争

maple n.[植]枫，枫木

dogwood n.山茱萸

nuclear power n.核动力

power plant n.发电厂，发电站

alternate n.替换物

replacement n.代替者;替换物

nonrenewable resources不可再生资源

conserve vt.保存，保藏

conserve one's strength 保存力量

conserve our national heritage in the face of bewildering change

在面临令人手足无措的改变时，要保护我们的民族遗产