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dinhvando
2 năm trước
1. Sử dụng các chất cho Al, Cu, HCl, Ác, KMnO4, Mg để điều chế chất thực hiện dãy biến hoá sau: Cu ---> CuO ---> Cu 2. Biết A là hỗn hợp của khí nitơ và khí oxi. Tìm tỉ khối của hỗn hợp A và khí hiđro trong 2 trường hợp: a. Cùng thể tích ở cùng điều kiện b. Cùng khối lượng
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17) The children A. whose 16) Genghis Khan. A. whom name means "very mighty ruler", was a Mongol emperor in the Middle Ages. B. whose sang at the Mayor's parade were from the local school. B. where C) who D. how 18) Galileo, experiments even when he went deaf and blind. C. who published works proving that the Earth revolves around the Sun, continued his scientine D. whom B. who A. when 19) The school A. whose programme C. where B. who nas been interrupted by revision tests requires a regular course study. D. whose 20) Credit A. which C. what is given in this semester requires approximately three hours of classroom work. D. that 21) Two courses A. that B. what have the same subjects are in different times. B. what C. when D. where 22) You may enroll our course by e-mail C. when can be faster than other registration forms. C. which D. where A. who B. where 23) The girl A. who D. when dress you admire has been working for an expo company B. what ce she left school. 24) The young man A. who C. whose was released after the court was found innocent of all the charges against him. B. who he D. whom 25) Is that the same film A. when C. which we watched last year? B. which D. whose 26) The girl A. whose 7) The pupils A. whose I borrowed the dictionary asked me to use it carefully. C. why D. who B. from whom we took to the amusement park behaved themselves very well. C. from whose D. whom B. with whom we are going to visit next summer, is a rea! paradise for the retired. B. what C. whom 5) Bournemouth, A. that D. which C. which birthplace was above a shop in the small English town of Grantham, became Prime D. in which Thatcher, nister of Britain four years after she had become the leader of the Conservative Party in 1975. A. where B. whose C. in which became fashionable for women after they saw them in Vogue magazine, were made by D. which First jeans, Americans, Jacob Davis and Levi Strauss. A. that B. whose C. of which D. which John Logie Baird transmitted on 25 November, 1905 was a boy The first television picture worked in the office next to Baird's workroom in London. A. which/whom D. that/who worked for the German company Bayer, invented the drug B. who/which C. that/whose relix Hoffman, a 29-year-old chemist rin in April 1879. A. where C. whom in Portsmouth on the south coast of England, D. who B. whose was born and grew up yce Bews, she still lives, was 100 last year. B. who/where C. that/where D. who/that used to strike the hours day and night was damaged during the war and has been silent ever since C. what 4. that/ in which e big clock 1. whose = pollution - that D. which B. that is they were talking is getting worse. B. about which C. which D. whom Our çompany relies is on holiday. C. whose D. whom

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