What#39;snewinthescientificcommunity?Herearefourgadgets(小玩意儿)toopenupyoureyes：MosquitoRepellingNecklaceForquitealotofpeoplemosquitoesareoneofthebig

问题：What#39;snewinthescientificcommunity?Herearefourgadgets(小玩意儿)toopenupyoureyes：MosquitoRepellingNecklaceForquitealotofpeoplemosquitoesareoneofthebig

答案：↓↓↓

秦康生的回答：

网友采纳　　答案：1．A;2．B;3．A;4．C;