问题
单项选择题
由整批食物的各个部分采取的少量样品称为（）
A、样品
B、检样
C、原始样品
D、平均样品
答案
参考答案：B
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由整批食物的各个部分采取的少量样品称为（）
A、样品
B、检样
C、原始样品
D、平均样品
参考答案：B
Foods quickly spoil and break down if they are not stored correctly. Heat and damp encourage increase in micro-organisms(微生物的), and sunlight can vitamins in such food as milk. Therefore, most foods should be stored in a cool, dark and dry place. Some foods _ 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 _ . In warm climates, this temperature can be kept _ in a fridge or in the underground basement(地下室) of a house. Dry goods, such as flour and rice, should be kept at a slightly higher temperature. 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 the general heating of the house. The room should also be well and, above all, dry. Damp very quickly causes the of the green molds. These molds often grow on cheese if it is not stored properly. Fruits and vegetables need cool and damp _ , so an underground basement usually _ an excellent storage place. If the central heating unit is in the basement, _ __, it will not be ideal unless the unit and the pipes(管道) do not give out any heat.
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