【单选题】根据短文的内容,回答下列题目 Global Warming (1) Smoke is clouding our view of global warming, protecting the planet from perhaps three-quarters ofthe greenhouse (温室) effect. That might sound like good news, but exp...
A.
Atmospheric scientists
B.
The calculations made at the berlin workshop
C.
The previous calculations of the effect of aerosols
【简答题】Global warming may be the most harmful environmental problem (1) have created, and the most difficult to solve. Our society is largely (2) by the fossil fuels that cause global warming. Its growing co...
【单选题】听力原文: Thomas Edison is a well known American inventor. He was taught by his mother when he was a child. Later he learned things by himself by reading and experimenting. He built a lab for himself to w...