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固定液按相对极性可粗分为______类，异三十烷是______固定液，属______级；β，β'-氧二丙腈是（强极性)固定液，属______级。
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The United States __________a population of over 200 million.
"Equal pay for equal work" is a phrase used by the American women who feel that they are unfairly treated by society. They say it is not right for women to be paid less than men for the same work.
Some people say men have more duties than women. A married man is thought to earn money to support his family and to make the important decision, so it is right for them to be paid more.
Some are even against married women working at all. When wives go out to work, they say, the home and children are given no attention to. (80) If women are encouraged by equal pay to take full-time jobs, they will be unable to do the thing.s they are best at doing: makinga nice home and bringing up children.
Women who disagree say they want to escape from the limited place which society wishes them to fill and to have freedom to choose between work and home life, or a mixture of the two.
Women have the right not only to equal pay but also to equal chances.
The women use the phrase "equal pay for equal work" to ask society to__________. 查看材料
Mum：__________．
In America Mother' s Day is celebrated on the second Sunday in May. On that day we send our mothers a special Mother' s Day card, and perhaps some flowers or candy, to show our love and appreciation for all they have done for us. Although Mother' s Day is a relatively new holiday in America, more and more other countries are also setting aside a day to honor.their mothers.
I want to tell you today how the idea of having a special day for mothers began. It all started over a hundred years ago with a woman named Anna May Jarvis.
Anna was born on May 1, 1864, just before the end of the Civil War and the assassination of President Lincoln. She was the daughter of a "minister", which in American English means a church leader. She was a quiet girl who liked to study in school, and she liked everyone and was liked by everyone as well.
After she became an adult, Anna worked for a life insurance company in Philadelphia, Penn-sylvania--a city about halfway between New York City and Washington, D. C.. Then, in 1906,just two weeks after Anna' s 42nd birthday, her mother died. It was the second Sunday in May.
In the months that followed, Anna began to change. (78)No longer was she so gentle, so relaxed and easy-going. Instead she now had just one goal for her life--to have her mother and all other mothers honored throughout the whole world on the second Sunday of May.
After more than a year of careful planning, Anna arranged the first Mother' s Day church service, on May 10, 1908, in Grafton, West Virginia. (79)The next year Anna was able to get the city of Philadelphia, where she lived and worked, to proclaim the second Sunday of Mayas an official Mother' s Day--the first city to do so. After three more years, the state of West Vir-ginia, where Anna' s mother had lived, made Mother' s Dayr.a statewide observance--not a holi-day in the normal sense, but still a day to remember what mothers have done for their children and society.
Which answer is NOT right about Mother‘ s Day？ 查看材料
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