Which word has these three meanings: start (a company), put (a product) on the market, start (an advertising campaign)? A: throw B: begin C: launch D: start

He used the money to ______ a new business. A: launch on B: launch with C: launch into D: launch at

This passage could be entitled ______. A: Rockets B: Principles of Rocket C: Cylinder D: The Rocket Belt

M: I hope the school library is open.W: The school library is open from eight a. m. to five p. m. weekdays, nine a.m. to three p.m. Saturdays, closed on Sundays. When is the library open on Saturdays（） A: It is closed. B: It is open from nine a.m. to three p. m. C: It is from nine a.m. to five p. m. D: It is open from eight a.m. to five p. m.

launch 未知类型：{'label': 'questionDesc', 'content': '哪些选项跟下列表达意思相近？', 'isMemberControl': 0, 'type': 181} A: end B: start C: begin