题目内容

The common points of the original residents of Hemudu and Banpo Site are （）

A. mainly primitive agriculture
B. mainly raising livestock and poultry
C. mainly collecting and hunting
D. a variety of primary agricultural production

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The time when Abel from France put forward "food storage method" for preservation of food through venting, sealing and sterilization is （）

A. 16century
B. 17century
C. 18century
D. 19century

The earliest record of food safety management in China is （）.

A. Liji
B. Shiji
C. Huangdineijing
D. Bencaogangmu

The main toxic components of germinated potato are （）

A. linolenin
B. amygdalin
C. colchicine
D. solanine

The storage of food includes two ways: cold and freezing. Which of the following temperature ranges belongs to the food cold storage temperature （）.

A. 4-10℃
B. 0-（-29℃）
C. 0-（-10℃）
D. 0-（-18℃）