1 第二节:完形填空(共20小题;每小题1.5分,满分30分) What is in the drug that makes you sick or dead? For example, cocaine is harmful, but what makes it harmful? I can’t tell you all about drugs, but I can ___36___ you think about them in this ___37___ way. Your body...
Pollution means a 1 dirty or harmful things to land air water and so on. It is bad for animals and plants and it even makes people's health in d 2 . In our daily life we can see different kinds of pollution in many places. There are t 3 main forms of pollution;land pollution ...
What is pollution? As we know, there are 1 kinds of pollution: air pollution, water pollution, waste pollution and noise pollution.They are 2 to the Earth. Then what can we do to help pollution and 3 the Earth? Firstly, we can 4 cars that won't pollute the air. We should ask some...
One decibel is the lowest sound the average person can hear. Sounds up to 80 decibels generally aren’t harmful. That’s noise like traffic on a busy street. But anything louder than 80 decibels may hurt your hearing. (15) Once you are up to 140 decibels, that’s like a jet plane ...
that occurs in a harmful concentration.It can be a natural air component,such as carbon dioxide,that rises above its normal concentration,or something not usually found in the air,such as a lead compound emitted by cars burning leaded gasoline.A secondary air pollutant is a harmful chemical ...
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Air pollution is a mixture of gases, drops, and tiny particles that contaminate the air we breathe. Fossil fuels are a major contributor to air pollution, as burning them releases harmful gases. While coal is still used for electricity generation, biomass fuels like wood are less harmful altern...
When the air is polluted, we wear masks (口罩) to protect ourselves. What about bees and butterflies? They can’t wear masks. New Scientist magazine recently reported findings from James Ryalls and his team at the University of Reading, UK. Their study found that air pollution is harmful to...
When the air is polluted, we can wear masks(口罩) to protect ourselves. What about bees and butterflies? They can’t wear masks.News Scientist magazine showed some findings from James Ryalls and his team at the University of Reading, UK. Their study found that air pollution is harmful to ...
完形填空 What is in the drug that makes you sick or dead?For example, cocaine is harmful, but what makes it harmful? I can’t tell you all about drugs, but I can 1 you think about them in this 2 way.Your body is a very complicated machine, 3 a lot of