GRE Text Completion: JiJing 1373-GRE填空机经1373题 - 7GK62I270IEOM1U7A

One way to predict the effects of global climate change on an ecosystem is to extrapolate current trend in global change factors into the future. A (i)____________ of this method is that its predictions (ii)____________ actual observation, but the method also makes the questionable assumption that the future will resemble the present. A. virtue B. dispense with C. drawback D. derive from E. peculiarity F. improve upon