The Chinese nation has historical records Qi Huangong and Guan Zhong. The earliest state-owned enterprises were established because of ( ).
A. Business delevopment
B. War needs
C. Living requirements
D. Tax invisible
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Today, when we go to eat western food, there are usually salt shakers and pepper shakers on the table, because salt and pepper used to be ( ).
A. Easy to use (edible)
B. A custom of western
C. Necessities in Western dining
D. Symbol of rights, status and wealth
When it comes to pizza, sushi, hamburgers and dumplings, we can think of Italian, Japanese, American and Chinese, which fully embodies ( ).
A. food is often a unique and iconic meme of a nation (or country or region)
B. characteristics of food
C. different preferences
D. food processing methods
Up to now, ( ) is the most important variety that the ancestors of the Chinese nation have influenced and contributed to human survival and social development in crop breeding.
A. wheat
B. corn
C. rice
D. millet
The year 2018 marks the 40th anniversary of China's reform and opening-up. Meanwhile, China has only spent more than ten years to basically solve the problem of feeding nearly 1 billion people (basically completed the rice bag project), a miracle in the history of human development, whose most intuitive and popular symbol is ( ).
A. dietary nutrition status of Chinese residents in 1992: total heat/person (60 kg standard weight)/day: 2328 calories; Fat content: 58 g; Protein: 68 g, etc.
B. the grain output has continuously reached a high level of production increase
C. all edible agricultural products were hard to sell in 1999
D. food tickets such as "food coupon and quota of grain and edible oil " were completely cancelled in 1993