Axetic có công thức C2H4O2. Hãy tính thành phần phần trăm khối lượng của các nguyên tố trong axit axetic

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13.My mother is (old) ………………………………..….than my teacher. 14.Nga and Lan are (short)……………………………..……….. than Minh. 15.My mother is (young)……………………….………… than my father. 16.Ha Noi is (small)………………………………….than Ho Chi Minh city. 17.This boy is (tall)…………………………………….……..than that boy. 18.A dictionary is (thick)…………………….………….. than a notebook BÀI TẬP VỀ SO SÁNH NHẤT Short adj: S + V + the + adj + est + Noun/ Pronoun Long adj: S + V + the most + adj + Noun/ Pronoun 1.Everest is the (high)…………………………………………..…. mountain in the world. 2.Hoa is the (short) …………………………………………..……girl in our class. 3.The Amazon River is the (deep)……………… ………………..……… river in the world. 4.The Summer is the (hot)……………….. …………………..……. season in a year. 5.The Great Wall is the (long) ……………………………………….structure in the world. 6.Lan is the (happy)……………………………………………………. student in my class. 7.Our parents are the (good)………………………………………………………….. people. 8.This girl is the (thin)………………………………………………… in her class. 9.The winter is the (cold)……………………………………………….……. season in a year. 10.He is (clever) …………………………………………………………. student in my group. 14.The palace is the …………………………………..……………… (expensive) hotel. 15.John is the ………………………..…………..………… (good) gardener. 16.These are the ……………………………………..……… (beautiful) colours. 17.This is the (interesting) …………………….……………book I have ever read 18.Who is the (rich) ………………………………………….woman on earth? 19.He was the (clever) ……………………………………………………………….thief of all. 20.New York is the (large) ………………..……………….. city of the United States.