A. blaming B. injuring C. scolding D. punishing 6 Foods quickly spoil and break down if t——青夏教育精英家教网—

A. blaming B. injuring C. scolding D. punishing 6 Foods quickly spoil and break down if they are not stored 1 . Heat and damp encourage increase in micro--organisms, and sunlight can 2 vitamins in such food as milk. Therefore, 3 foods should be stored in a cool, dark and dry place. Some foods 4 bad quickly, such as meat, eggs and milk. They should be stored in a temperature of 5'C~10'C. In this temperature range, the activity of micro-organisms is 5 . In warm climates, this temperature can be kept 6 in a fridge or in the underground basement of a house. Dry goods, such as flour and rice, should be kept at a slightly 7 temperature than foods that go bad quickly. A temperature of 15'C is ideal. In Britain and northern European countries this means that the room in which dry foods are stored should 8 the general heating of the house. The room should also be well 9 and, above all, dry. Damp very quickly causes the 10 of the green molds. These molds often grow on cheese if it is not stored properly. Fruits and vegetables need cool and damp 11 . Therefore, an underground basement usually 12 an excellent storage place. If the central heating unit is in the basement, 13 , it will not be ideal unless the unit and the pipes do not give out any 14 . Foodstuffs do not break down quickly. If correctly 15 , they should keep for quite long periods of time. Thus, salt and sugar will keep for about two years; tinned meat goods, 16 beef and chicken, for about eighteen months; flour and other dry goods, for about a year. Freezing the foodstuffs that spoil easily preserves them for much longer 17 is otherwise possible. But 18 frozen foods do not keep their food value or their 19 for ever. As a 20 rule, meat should be cooked and eaten within a year after it is frozen; fish , within six to ten months; fruits and vegetables, with three to six months. 【查看更多】

题目列表(包括答案和解析)

_______ for the breakdown of the school computer network,Alice was in low spirits.

A. Blaming　B. Blamed?

C. To blame D. To be blamed?

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　　　　 for the breakdown of the school computer network，Alice was in low spirits.?

A.Blaming　　　　　 B.Blamed?　　　　　

C.To blame　　　　　 D.To be blamed

查看答案和解析>>

　　　 for the breakdown of the school computer network, Alice was in low spirits.

A. Blaming　　　　　　　 B. Blamed　　　　　

C. To blame　　　　　　　 D. To be blamed