A. Some problems that teenagers face in their study at school.B. The suitable backpack material that you should choose.C. The good influence that backpacks have on your health.D. Some advice on how to carry backpacks comfortably and safely. 相关知识点: 试题来源: 解析 13. 【答案】 C...
Backpacks should neverbe worn over just one shoulder. You should be able to moveyour hands between the backpack and your back.Take the above advice, and you may not complain backpain or weakness in your arms and legs anymore.( )12. According to the passage,mainlycausesteenagers to have ...
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A.Some problems that teenagers face in their study at school. B.The suitable backpack material that you should choose. C.The good influence that backpacks have on your health. D.Some advice on how to carry backpacks comfortably and safely. 组卷网是一个信息分享及获取的平台,不能确保所有知识产...
A. Some problems that teenagers face in their study at school. B. The suitable backpack material that you should choose. C. The good influence that backpacks have on your health D. Some advice on how to carry backpacks comfortably and safely.试题...
For example, if it is carried on one shoulder, a heavy backpack forces your back to balance the weight. This may increase the possible back problems later in life. Over 50% of teenagers suffer back pain. Research shows that this could be mainly caused by improper use of backpacks. Here'...
Poor treatment for backs.shoulders.C. Improper use of backpacks.Backpacks can influence your health. Carryinga heavy load improperly can lead to poor bodyD. Unhealthy sleep position.position; and even hurt the spinal column(脊Which of the following does the柱).This can cause muscle strain, ...
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–purchased backpacks – painted their bedrooms – participated in a tractor race – –ventured into the cat tending business – visited a caboose museum in Canada – I am continuing to provide a weekly edition of Clem and Clyde adventures and follow up questions. Independently, my son reads th...
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