【多选题】推销员的推销说明要取信于对方,应做到( )。
【判断题】甲鱼、河蟹、鳝鱼死后应禁止食用,以免发生食物中毒
【单选题】It is _____ for every family to make emergency plans and know how to leave the area safely.
【单选题】It is _____ for every family to make emergency plans and know how to leave the area safely.
【简答题】When shopping, use your credit card instead. Keep your wallet in your front pocket so that there is no way someone's hand could get in there without your noticing it. Travel with a friend, business pa...
【判断题】It is safe to leave an electric rice cooker on when the pot is empty.