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Anonymous users2024-02-06Solution: Its cross-sectional area: s=v l 50 5=10 (cm2).
Pull: f=ps=
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Anonymous users2024-02-05The overall park display of the Shanghai World Expo is envisaged as (b).
a. Science and technology park b. Harmonious city c. Future city.
92.The number of World's Fairs held since 1851 is ( ).
a, 38 times b, 40 times c, 39 times.
93.The year in which the China Pavilion first appeared at the Expo was (b).
a, Brussels, 1897 b, Philadelphia in 1876, C, Paris, 1855.
94.The first time after the founding of the People's Republic of China was (a).
a. 1982 Knoxville Expo b. 1984 New Orleans Expo c. 1985 Tsukuba World's Fair.
95.The first Chinese to see the World Expo was named (), and he personally experienced the Paris World Expo in 1867.
A, Yang Cheng B, Zheng Guanying C, Wang Tao.
96.The host city of the first World Expo is (a).
a, London, England b, Paris France, C, Munich, Germany.
97.The Chinese who wrote "A New Road Around the World" recorded the World Expo were (c).
A, Sima Qian B, Xu Rongcun C, Li Gui.
98.The Bureau International des Expositions, abbreviated as BIE, is a leading international organization dedicated to supervising and guaranteeing the implementation of the Convention on International Exhibitions, coordinating and managing the holding of World Expos and ensuring the level of World Expos.
a, Paris b, London c, Frankfurt.
99.Former President of the Bureau International des Expositions.
a Zhao Lin B Wu Jianmin c Shen Wencong.
100.According to the regulations of the Bureau International des Expositions, the World Expo is divided into two types according to its nature, scale and duration: one is the registered (also known as comprehensive) World Expo, which usually lasts for 6 months and is held every (a) year since 2000; The other category is accredited (also known as professional) expos, which usually last for three months and are held once between two registered expos.
The registered world expo is different from the general exhibition of **** and economic investment, and is the world's highest level of exhibition.
a、2 b、4 c、
Question added: 51Drinking a glass of warm boiled water every night before going to bed and in the morning can greatly reduce blood viscosity, speed up the flow rate, and effectively prevent and reduce the occurrence of angina pectoris and myocardial infarction.
A, 250 ml B, 300 ml C, 350 ml.
61.What is a "low-carbon economy"? （c ）
a. It means lower furnace temperature b. Less coal used C. "Low carbon" generally refers to a social and economic model based on low energy consumption, low pollution and low emissions.
71.The use of 1 gram of plastic bags produces carbon emissions, and the use of 1 gram of paper produces grams. （
a、 b、 c、
PS: Yes, no
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