Rearrange the following sentences so that they read logically. Put the corresponding letters in a proper sequence in the boxes provided on the answer sheet. The positions of some sentences have been given.
A. Given that the problem is global in nature, the solution must also be global.
B. Finally, there is also a real possibility that some countries might attempt to leave any negotiated agreement.
C. This is essentially a situation in which the outcome produced by a market system is inefficient.
D. Global warming as a result of GHG emissions represents an almost classic case of what economists call a “market failure”.
E. Intergovernmental cooperation is the remaining choice, but a negotiated agreement is less likely to be the best because each country will assess the costs and benefits differently.
F.As a result, some type of governmental regulation is required to address the problem.
G. If there is agreement that GHGs (greenhouse gases) should be controlled, how should this be accomplished?
H. The basic political problem is that there is no global government that can impose a solution.
【正确答案】：
