D. No harmful gases or water will get into the environment. E. More laws and rules about dealing with waste have been made. 36. 37. 38. 39. 40. 三、完形填空(15 小题,每小题 1 分,共 15 分) 先通读短文,掌握其大意,然后从 A、B、C、D 四个选项中选出一个可以填入 相应空白处的最佳...
1We must do something to ___ the factories sending outpoisonous gases so as to keep the city___.[ ] A. keep; being polluted B. keep; from being polluted C. prevent; being polluted D. prevent; from being polluted 2We must do something to ___ the factories sending out poisonous ga...
1We must do something to ___ the factories sending out poisonous gases so as to keep the city clean and beautiful. A. keep B. protect C. permit D. prevent 2We must do something to ___ the factories sending out poisonous gases so as to keep the city clean and beautiful.A.keepB...
We must do something to ___ the factories sending out poisonous gases so as to keep the city___. [ ] A. keep; being polluted B. keep; from being polluted C. prevent; being polluted D. prevent; from being p
Gases exert pressure, which is force per unit area. The pressure of a gas may be expressed in the SI unit of pascal or kilopascal, as well as in many other
a. To cause to act in a specified manner: Heat makes gases expand. b. To compel: made him quit. 7. a. To form in the mind: make an estimate. b. To compose: make verses. 8. a. To prepare; fix: make dinner. b. To get ready or set in order for use: made the bed. c...
They give off a lot of greenhouse gases (温室气体)(especially CO2) into the air. This warms the earth. As a result, many animals are dying out, (A)___as penguins (企鹅)and polar bears. It will soon make a difference to us as well. (D) Sea levels will rise and many cities a...
1. They keep the air cool and clean 细节理解题.根据They help us in many ways. They keep the air cool and clean他们在许多方面帮助我们.他们保持空气凉爽干净.可知树木可以保持空气凉爽干净.故答案为 They keep the air cool and clean2.They take in harmful gases from the ...
Solar generators, on the other hand, are virtually silent and emit no gases or fumes. Sizing Down Sizing down can be a cost-effective option that relies on your family consuming less electricity during a power outage. Smaller generators are more portable and easier to operate and maintain. But...
"Transport is still the second largest emitter of greenhouse gases globally, after the electricity and energy sector, representing 15 percent of the world’s total greenhouse gas emissions,"Dr. Chris De Gruytertold Mashable. De Gruyter is a research fellow at RMIT University’s Centre for Urban ...