發布時間:2014-04-01 共5頁
題干一:A.Rising of sea levels
B.impact of burning tocsl luals
C.Fast faedbacks
D.Stow feedbacks
E.Unpredictability of feedback prooesses
F.A prediction of future climale change
題干二:A.the exposod ground
B.a very long time
C.the extra heat
D.recorded history
E.previousiy published studies
F.rapid exaggeration of impacts
第一篇
31.The solar wind comes into being as a result of?
A.Disappearance of the Sun's gravily
B.Unpredictable weather of the sun
C.Fast flow of angry away from the sun
D.A stream of pardes being blow away
32.When mappens when solar wind comes to the Earth?
A.It is trapped in magnetic bets arcund the Earth
B.A protective magnetic filed is fromed at the same time
C.It destorys the protective megnetic field surrounding the Earth
D.It breaks magnetic field time and dose severe damage to the Earth
33.The Nonhern Lights are created when?
A.the magnetic field times feil to reconnect
B.the electrons falling to the Earth shine in different colors
C.atomic particles fall to the Earth and colide with atmospheric gas molea
D.oxygen and nitrogen are separeted from the atmospheric gases
34.When of the following statements is true of the Noerthrn Lights?
A.Their movement is Slow enough to be observed with the Loghts
B.Peaple cannot see them unless traveling to Alaska or Canada
C.They are very close to the ground
D.They are very lang and thick
35.What is the author's tone toward the Northem Lights?
A.Indifferent
B.Sarcastic
C.Sharp
D.Appreciative