【单选题】安全是指安稳而无危险的事物,泛指没有危险,不受()和不出事故的状态。
【简答题】安全泛指没有危险、不出 [填空(1)] 的状态。A. 事故
【多选题】网络营销中免费产品的特征有易于数字化、无形化、零制造成本和( )
【单选题】在市场调查的访问法中,获得信息量最大的具体方法是( )
【简答题】They, together with Tom , _______ going to swim this afternoonA. are B. is C. will D. were
【简答题】A.They braided them with animal hair for clothing. B.They bundled them together for fuel. C.They used them to insulate their homes. D.They made various items with them.
【简答题】They, together with Tom , _______ going to swim this afternoon .
【简答题】完形填空。 Wild animals are important to us. They 1 together with us on the earth. If there are no 2 on the earth, we 3 will not live on. So we should take good care of them. But some people 4 don't know t...