Routine innovation builds on a company’s existing technological competences but does not fit in existing business model.

DoestheUFOreally___________?Weneednewcomputerstoreplacethe_________ones.exist,existing

中国大学MOOC: existing in possibility

提高现在耕地单位面积产量有潜力。 A: There is potential for increasing the yield per unit area on the existing cultivated land. B: Increasing the yield per unit area on the existing cultivated land is potential. C: . It is potential for increasing the yield per unit area on the existing cultivated land. D: It is potential to increase the yield per unit area on the existing cultivated land.

The plan to use existing resources was considered the __________ solution.

It is predicated that existing reserves of fossil fuel ____________ by 2045.

Chemistry has been existing for thousands of years.

Does the UFO really ___________? A: exist B: existing

____affixes are added to an existing form to create words.

The literature review in a research paper _____. A: summarizes the existing studies B: argues for one’s findings C: analyzes for a research gap D: evaluate the existing studies