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单选题 胶体粒子在电场中的定向移动是( )
学科：普通化学
时间：2025-12-21 14:46:42
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题目1单选题
When did Yuan Longping pass awayA. May 22, 2020B. May 22, 2021C. June 22, 2021D. June 22, 2020
题目2单选题
What was Yuan Longping's discovery in 1961 that challenged the popular theoryA. A new type of fertilizerB. An outstanding rice plant that was natural hybrid riceC. A way to grow rice fasterD. A disease—resistant rice variety
题目3单选题
How much did the yield of conventional rice increase with the advent of high-yield hybrid riceA. About 10 percentB. About 15 percentC. About 20 percentD. About 25 percent
题目4单选题
What did Yuan Longping do in 1980A. He retired from his research workB. He donated key rice varieties to the international communityC. He stopped visiting the research stationD. He received a major international award
题目5单选题
What were Yuan Longping's two dreamsA. To become rich and famous, and to travel around the worldB. For super rice to grow very tall and for hybrid rice to be grown all over the worldC. To live a comfortable life and to write a book about riceD. To have a large farm and to teach more students
题目6单选题
在什么情况下,真实气体的性质与理想气体相似( )A. 低温和高压B. C. D. 高温和低压E. 低温和低压F. 高温和高压
题目7单选题
胶体溶液是一种( )体系A. 均相B. 非均相C. 不确定D. D
题目8单选题
粒子越小,温度越高,布朗运动越( )A. 强B. 弱C. 不确定D. D
题目9单选题
胶体粒子在电场中的定向移动是( )A. 电渗B. 电泳C. 不确定D. D
题目10单选题
在相同条件下,溶液与纯溶剂相比溶液的蒸气压( )A. 升高B. 下降C. 不变D. 不确定
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