Are you carrying too much on your back at school? Lots of kids(孩子) at the same age as you are. Not only are students in China 1 from this problem, but kids in the United States are 2 fed up with（饱受……之苦） heavy school bags. w.w.w.k.s.5.u.c.o.m
Experts are starting to 3 that more and more young students are having back and neck problems as a result of school bags 4 too heavy for them. “It’s hard for me to get up the 5___ with my bag because it’s so heavy,” said Rich Hammond, 6 11-year-old student in the US. Rick is among the students who have 7 backpacks（背包）with two straps(带子) to carry them, 8 a number of other students choose rolling backpacks. But even with rolling backpacks, 9 up stairs and buses with them is 10高考资源网版权所有 ©2005-2009
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