无爆炸危险环境矿井,不宜采用矿用一般型电气设备
1、正确错误
无爆炸危险环境矿井,可以采用矿用一般型电气设备
It________asashocktorealizethatIwasnotaloneintheroom.
具有土地入股和统一经营特点的是___________。
Thestudentfoundthenovel_______.Itprovidedhimwithsomuchinformationaboutthesubject.
Theassociationis________toraisingfundstohelptheblind.
Humanbehaviorismostlyaproductoflearning________thebehaviorofanimalsdependsmainlyoninstinct.
