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.
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__a problem for kids. Many of them have hurt their knees, backs or necks because of heavy school bags.
But how much is too__11___? Experts say students should carry__12___more than 10 to 15 per cent of their own body weight. Scott Bautch, a Wisconsin___13___doctor, said kids under 4th grade should__14__with 10 per cent. But it’s also important that older kids don’t go___15___ 15 percent, because their bones are still growing. Bautch explained that there are other injuries caused by backpacks. “Kids are___16___their balance and falling down with these backpacks,” he saiD.
Parents and teachers are starting to tell the kids to only take__17__library books they will be reading that night. Some teachers are using worksheets(作业纸) or___18___workbooks for students to take home. One of the best answers is, as some___19___themselves suggested, to have no homework___20___!
1. A.meeting B.facing C.experiencing D.suffering
2. A.already B.always C.yet D.also
3. A.explain B.say C.worry D.announce
4. A.being B.be C.are D.is
5. A.schools B.stairs C.houses D.homes
6. A.this B.that C.a D.an
7. A.special B.unusual C.ordinary D.regular
8. A.when B.but C.then D.and
9. A.getting B.climbing C.going D.turning
10.A.only B.still C.even D.just
11.A.more B.very C.much D.many
12.A.no B.not C.any D.much
13.A.children B.student C.bag D.back
14.A.carry B.stay C.take D.bring
15.A.about B.under C.beyond D.before
16.A.keeping B.missing C.losing D.making
17.A.home B.class C.school D.city
18.A.valuable B.thin C.important D.interesting
19.A.reports B. teachers C.parents D.kids
20.A.at all B.after all C.in all D.for all
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