题目内容

The color of food is the color of ( ) after reflecting white light in nature.

A. complementary light
B. cold light
C. infrared light
D. UV-light

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There are two idioms in China that say "One word is as heavy as nine tripods" and "find for the tripod in the central plain". What is the meaning of tripod?

A. A utensil for holding food
B. A weapon
C. A cooking utensil
D. a container for water

The first man-made tool was ( ).

A. ironware
B. stone implement
C. china
D. 无

At present, the earliest evidence about using fire by ancestors found in China is ( ).

A. Hongshan cultural site
B. Qijia cultural site
C. Xiduhou cultural site
D. 无

The five official kilns in Song Dynasty are ( ).

A. Guanyao, Ruyao, Dingyao, Junyao and Geyao
B. Cizhou yao, Yaozhou yao, Jianyao, Longquan yao and Jingdezhen yao
C. 无
D. 无

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