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According to the report, China's average schoolbag weight of 3.5 kg, junior high school students was 5.5 kg, overweight is widespread. Please according to this phenomenon, according to the following power to write an English essay to

According to the report, my schoolbag average weight of 3.5 kg, 5.5 kg junior high school students, overweight schoolbags are rife. Please according to this phenomenon, according to the following to write an essay English essay

According to the registration, our country elementary student book bag weight average is 3.5 kilograms, the junior high pupil is 5.5 kilograms, the book bag overweight phenomenon is extremely common.Asks you according to this phenomenon, wants the electricity according to the following to write an E

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According to the report, my schoolbag average weight of 3.5 kg, 5.5 kg junior high school students, overweight schoolbags are rife. Please according to this phenomenon, according to the following to write an essay English essay