The passage is mainly written to______.A.discuss how people view a new inventionB.analyze

学历类 专四 已帮助 人

The passage is mainly written to______.

A.discuss how people view a new invention

B.analyze how a new invention changes our lives

C.show the necessity for a new invention

D.introduce a new invention to the public

请帮忙给出正确答案和分析,谢谢!

热搜:medline数据库中to字段是表示非英文文献的原文题名