請依下文回答第 6 題至第 10 題 　　Most trees can migrate only as fast as their seeds disperse - and if current warming trends hold, the climatein this century will change 10 times faster than many tree species can move, 6 one estimate. Rhode Islandis already 7 more heat and drought, shifting precipitation and the intensification of plagues such as thered pine scale, a nearly invisible insect carried by wind that can kill a tree in just a few years. The dark synergyof 8 extreme weather and emboldened pests could 9 vast stretches of woodland. So foresters inRhode Island and elsewhere have 10 ambitious experiments to test how people can help forests adapt,something that might take decades to occur naturally.
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