1. Scientists are constanly searching for new sources of power_______ modern society running.
A. Used for keeping B.that uses to keep C.using for keeping D.which uses to keep
2. The industrialized nations have promoted the waste of fossil fuels,______ greenhouse gas emissions.
A. increases B.to increases C.increased D. which increases
3.Thanks to the ______ of scientists all over world,our life has become better and better.
A.create B. creative C creatively D.creativity