初中英语河北加拿大版读物08

[06:42.68]"Garbage" is usually solid,like paper or plastic,
[06:48.42]but many hazardous wastes are liquids.
[06:53.78]FASCINATING FACTDo you think a river can burn?
[06:59.84]A city in the U.S.had a river that did!
[07:04.80]It had so much hazardous waste that it caught fire.
[07:10.37]It took days to put the fire out.Riding in Rubbish!
[07:19.43]Danny has been working all afternoon.
[07:23.98]First,he fixed the broken car he found.
[07:28.34]Then he washed the glue off his hands,face and legs.
[07:33.69]Now,he looks at the other garbage for recycling.
[07:39.15]"There are a lot of interesting things here,"he says.
[07:45.03]"I think I'll make something out of this garbage!
[07:50.60]"Danny sees a very big cardboard box."Somebody got a new television,"
[07:58.64]he says,"and they threw out this box.It's so big that I can fit inside it!
[08:07.89]I know I can make something with this."He looks for other things to use.
[08:15.05]He finds five big, round pieces of plastic.
[08:20.79]They are the lids from ice cream pails.
[08:25.23]"I know,"says Danny,"I will make a car.
[08:30.09]This cardboard box will be the car's body.
[08:35.13]These ice cream lids will be the wheels.
[08:40.70]"Danny glues four wheels onto the cardboard box.
[08:46.05]"I have one more lid.I know!It will be the steering wheel.
[08:53.42]I can hold onto it and drive the car.
[08:58.59]"Danny finds many other things for the car.
[09:03.35]He uses old metal cans for the headlights of the car.
[09:09.09]He finds pieces of wood to sit on.Finally,
[09:15.15]Danny rings up Jenny and Brian."Come over to my house," he says."
[09:22.73]I'll take you for a ride in my new car!Where do you want to go?
[09:30.59]"Global WarmingWhat is global warming?
[09:36.76]"Globe" means "world."You know what "warm" means.When something"warms,"
[09:43.52]what happens to its temperature?It goes up!
[09:48.56]Global warming is about the temperature of the world going up.
[09:54.73]What is carbon dioxide?
[09:59.46]Global warming comes from a special kind of pollution:too much carbon dioxide.
[10:07.92]Carbon dioxide is a gas,like oxygen.
[10:13.56]About 0.03 percent of the Earth'satmosphere is carbon dioxide.
[10:21.22]But people are putting more carbon dioxide into the atmosphere.Why?
[10:28.48]Because we drive cars and use factories.Cars and factories make carbon dioxide.
[10:37.31]Is this a problem?Yes!Carbon dioxide in the atmosphere is a big problem.Usually,
[10:47.08]some of the sun's heat leaves the Earth.
[10:51.52]But carbon dioxide keeps the sun's heat hear the Earth.
[10:58.00]It traps the heat.What's wrong with a warmer Earth?Here's what might happen.
[11:06.46]The ice at the North and South Poles might melt.
[11:11.92]The oceans would rise.They would cover cities on the coasts of continents.
[11:18.97]Some places on Earth would be too dry.Some places would have too much rain
[11:26.45]Many people,plants and animals would die.
[11:31.59]FASCINATING FACT
[11:34.65]The amount of carbon dioxide in the atmospherehas
[11:38.62]increased forty percent since the 1800s.
[11:45.38]When you "trap"someting,it can't go away.It stay.