If the world keeps on using coal as the main fuel，then__________．
A. me wanning trajectories will remain unchanged
B. Myhrvold’s study will be meaningless
C. temperatures will rise a little bit more than switching to natural gas
D. the cut in the warming speed will be significant
查看答案
A.12years．B.20years．C.30 years．D.68years．
A. 12years．
B. 20years．
C. 30 years．
D. 68years．
A.thoseB.whomC.ideasD.attitudes
A. those
B. whom
C. ideas
D. attitudes
When talking about“one terawatt”，the author says that__________．
A. it is a small measuring unit of electricity
B. it is a great amount of electricity
C. it is the amount of C02 released when 7 billion people use electricity at the same time
D. it is equivalent to the number of bulbs that 7 billion people use
A.Gathering non-relevant materials.B.Stealing another persons ideas.C.Sh
A. Gathering non-relevant materials.
B. Stealing another persons ideas.
C. Sharing notes with someone else.
D. Handing m assignments late.
微信支付 
支付宝支付