2. 外语
  3. Before refrigerators, homes usually had ice boxes. But【S1】______way to keep food cool without the need for electricity is to use

Before refrigerators, homes usually had ice boxes. But【S1】______way to keep food cool without the need for electricity is to use

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问题     Before refrigerators, homes usually had ice boxes. But【S1】______way to keep food cool without the need for electricity is to use an evaporative cooler. This is easy to make and does not even use【S2】______.      A common design is a tall box with food placed on several shelves inside. The shelves are pieces of metal with many small holes through them. The sides of the box are【S3】______with pieces of thick cloth. Containers of【S4】______axe placed at the top and bottom of the cooler. The ends of each piece of cloth lie in the water so the cloth stays wet.      Put the cooler in the open air but not in the sun.【S5】______will pass through the wet cloth. The inside of the box will【S6】______several degrees cooler than the outside air temperature. And this may be【S7】______enough to keep foods fresh at least for a short time.      Cold【S8】______in a freezer, however, can keep foods in good condition fox months after the【S9】______season. Yet foods can be damaged if they are kept too cold The British development group Practical Action says the best way to prepare foods for storage is at【S10】______time while still in the field. Use a sharp knife to avoid damage.

A)stay           B)storage            C)harvest               D)other
E)growing        F)another            G)ice                   H)cool
I)covered        J)under              K)water                 L)cold
M)air            N)preparation        O)take   
【S1】
选项
答案F
解析 此处填指示代词。文中第一句指出冰箱发明前就有食物储藏的方法，如使用冰盒，后面则是指另一种方法，other一般使用为"one…the other"，此处用不合适。
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大学英语四级

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