Task 116.Paragraph ① 17.Paragraph③ 18.Paragraph④ 19.Paragraph⑥ 20.Paragraph⑦ A. Soot's Role in Climate Changes Above Oceans and LandB. Observations of Warming in the Northern HemisphereC. Explanation of Increased Warming Effect Caused by SootD. Black Soot in Snow and Icy Areas Leading to Climate ChangeE. Black Soot Contributing to Global WarmingF. Greenhouse Gases as the Main Factor of Global Warming
假如你是Jerry,你的好朋友John 考上了耶鲁大学,请根据以下内容要点给他写一封150 词左右的英文祝贺信:Main content:1) congratulations;2) the differences between college life and high school life;3) your suggestions on a good college life.
Task 221. In the twentieth century, soot22. If snow and ice covered areas begin melting, 23. A soot forcing is unusually effective, which24. Hansen cautioned that greenhouse gases25. Warming in the Northern Hemisphere was large in at middle and high latitudes. A. produces much more global warming than a carbon-dioxide forcingof the same magnitudeB. contributed to 25 percent of observed global warmingC. winter and springD. the warming effects increaseE. still surpass soot in warming the world's climate during thelast centuryF. can be seen mostly in the Northern Hemisphere