What’s the main idea/topic of the passage? What is mainly discussed in the passage? What is best title for the passage? What can be concluded/inferred from the passage? What can we learn/infer from the passage? What does the passage imply?
A) Nature has changed our environment over the years. B) We must avoid wasting resources and polluting our environment. C) Our resources are nearly used up. D) Trips to other planets will help eliminate pollution.
答案是B)。这是一道比较明显的主旨型题。我们不妨假设这种题的问句全部都是:What’s the passage mainly about? 或者 What can be drawn from the passage?。 无须其它信息,根据这四个选项,我们就可心确定这是一篇关于环境(污染或保护)的文章。环境问题已是大家非常熟悉的话题,我们可用常识知识来排除干扰项。
C)明显不符合事实。要说的话,也只能说:our resources are being used up。
D)中用了eliminate(消除)一词,估计没有人会赞同这种说法。
当然,在做出简单的判断之后,我们还要用听到的信息进行验证以确保无误。原文如下:
In a way, all of us are in one spaceship, the planet Earth. We move around the sun at 18 miles per second and never stop. On our spaceship we have five billion people and a limited supply of air, water, and land. These supplies have to be used carefully because we can’t buy new air, water, or land from anywhere else.
The environment on our planet is a closed system: nothing new is ever added. Nature recycles its resources. Water, for example, evaporates and rises as visible 0drops to form clouds. This same water returns to the earth as rain or snow. The rain that falls today is actually the same water that fell on the land 70 million years ago.
Today, the Earth is in trouble. Factories pour dirty water into our rivers. Many fish dies and the water becomes unhealthy for people to drink. Cars and factories put poisons into the air and cause plants, animals and people to get sick. People throw bottles and paper out of their car windows, and the roadside becomes covered with all sorts of wastes. Over the years, people have changed the environment, and we have pollution.
To continue to survive, we must learn how to use the Earth’s resources wisely. We have to change our habits and stop dumping such enormous amounts of industrial waste into the water and air. We must cooperate with nature and learn better ways to use, not abuse, our environment.
Question 20: What message is the speaker trying to convey?