阅读下面材料,在空白处填入适当的内容(1个单词)或括号内单词的正确形式
It seems that Chinese people have always loved to discuss {#blank#}1{#/blank#} differences between northerners and southerners. Now, another difference has drawn wide attention: the way northerners and southerners shop for food at markets.
People from southern China normally buy {#blank#}2{#/blank#}they need for just one or two meals at a time. It's normal for them to buy just half a Chinese cabbage, two {#blank#}3{#/blank#}(potato)and 25 grams of beef at a time, {#blank#}4{#/blank#}, a person may be laughed at if they do this in the north. Instead, buying enough vegetables and meat for a week {#blank#}5{#/blank#}(be)normal.
The difference could be because {#blank#}6{#/blank#}the different climates. Food can {#blank#}7{#/blank#}(keep)for a long time in the north, as it's {#blank#}8{#/blank#}(usual)cold and dry there. Many northerners have the habit of {#blank#}9{#/blank#}(store)food for a long time. But due to the hot and wet weather in the south, southern Chinese people prefer {#blank#}10{#/blank#}(buy)just enough food for one meal or one day. Otherwise, the food may go bad.
Maybe these debates about different customs help us to understand each other better.