题目内容

Opening China's deli age, the inventor of Chinese artificial fire was ( ).

A. Suiren Shi
B. Shennong Shi
C. Yellow Emperor
D. Fuxi Shi

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The way that primitive people invented fire is ( ).

A. make fire through drilling wood
B. make fire through striking stone
C. make fire through oil ignition
D. make fire through scraping

The target organ for the toxicity of gelsemium elegan is ( ).

A. liver
B. kidney
C. nerves
D. brain

The poisoning cause of Itai-itai disease is ( ).

A. zinc
B. cadmium
C. selenium
D. lead

We must stregthen the confidence in the path, theories and system of socialism with Chinese characteristics, in the final analysis, we must insist on ( )

A. the confidence in the system
B. the confidence in the theories
C. the confidence in the culture
D. 无

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