2. 职称英语
  3. Before refrigerators, homes usually had ice boxes. But【S1】______way to keep

Before refrigerators, homes usually had ice boxes. But【S1】______way to keep

游客2024-02-26  56
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    [br] 【S3】
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答案 I
解析 此空格应填动词的被动态。文中说明隔层多孔且外侧有厚布，显然是用来覆盖隔层的，故使用 covered。
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