单项选择题
Conversation Two
A. To inquire about switching majors. B. To find a helping supervisor. C. To make up the remaining credits. D. To apply for a master’s degree.
A. Arranging the warm currents in a more focused way. B. Whitening the surface of lands to reflect more sunlight. C. Generating tiny bubbles with fleets of customised boats. D. Producing chilly winds to cool the water to freezing point.