单项选择题A. Privately talk with him about his illness and help.B. Talk with him about his plan for his bachelor’s degree.C. Thoroughly examine his family background.D. Ask someone to take care of him at university.
单项选择题A. Piracy is an easy thing to commit. B. Invention usually needs heavy cost. C. Patent is useful but not practical. D. Inventions are difficult to spread.