GRE Text Completion: JiJing 1373-GRE填空机经1373题 - Y7CQOH6G07RPBM6FA

Recent proposals for fixing the climate have taken the form of large-scale geoengineering projects such as launching mirrors into space to reflect solar radiation away from Earth, undertakings that are vastly more (i)____________ than anything a nineteenth-century rainmaker could have cooked up. What is unclear, as one looks back at the history of weather modification research, is whether this resourceful ambition will be (ii)____________, or if, by contrast, it serves to make the scientific community's (iii)____________ that much more devastating. A. effective B. anticipated C. avidity D. enterprising E. challenged F. impotence G. accessible H. productive I. resignation