填空题Paragraph 2 ______
单项选择题What is the primary purpose of this passage()
A. To explain why sand piles up on the beaches. B. To explain why men only prostrate in the sea. C. To propose a new explanation of a phenomenon. D. To refute a misconception.
单项选择题All the cell phones are able to provide GPS services.
单项选择题The nursery is bright and cheerful.
单项选择题The American Medical Association has called for the sport of boxing (拳击) to be banned.