中国大学MOOC: A strong scientific title is descriptive, brief, specific, and accurate. It also useskey words that readers will search for. The title with the √ before it is considered to be the better one. Decide whether the following choice is the correct one. 7, √ A. The Highly efficient waveguide grating couplers using silicon-on-insulator B. Silicon-on-insulator for high-output waveguide grating couplers