Are you carrying too much on your back at school? You’re not alone. Back experts

题文

Are you carrying too much on your back at school? You’re not alone. Back experts(专家) in the USA are worried about that young students are having back and neck problems becau they are carrying too much in their backpacks . “It hurts my back when I run,” said Ebelin Reyes, a student in Virginia. “It’s hard to get up the stairs with my backpack becau it’s too heavy.” Students have to carry heavy backpacks on their backs for a whole week’s study. Ebelin is one of them. They have   regular(固定的)backpacks with two straps(带子) to carry them, but a number of students with heavy loads(负担) have switched to rolling backpacks. The backpacks have wheels and can roll on the ground. Shirley Park’s backpack weighs 10 kilos, and she said, “I’ll change to a rolling backpack becau I am starting to have back pain.” How much is too much? Experts say that students should carry no more than 10% to 15% of their own body weight. A few students have had a good idea to lighten(减轻) the load: less homework. Doctor’s suggestions:Lighten the load. Take home only the books the students need that day.(2) Wide straps are better. They can nd out weight over your shoulders (肩)and be sure to wear backpacks with two straps. (3) The heaviest things should be packed clost to the back.(4) Bend(弯曲) both knees when you pick up the pack, don’t just bend over the waist(腰).小题1:The main idea of the passage is about _______.A．the problems made by rolling backpacksB．the advantage of backpacksC．the best backpacks for studentsD．how to lighten students’ backpacks小题2:From what Ebelin Reyes and Shirley Park said, we know______.A．students like to carry heavy backpacksB．students have to do a lot of homeworkC．backpacks with wheels are bad for studentsD．students have no time to play becau of heavy backpacks小题3:The underlined word “switch to” means______.A．u forB．turn toC．catch upD．begin to u小题4:According to the experts, it’s better for a student of 40 kilos to carry a backpack of ____ at most.A．10 kilosB．8 kilosC．6 kilosD．7 kilos小题5:If students follow the doctor’s suggestions, they______.A．may do less homeworkB．may feel their backpacks are lighterC．can learn how to enjoy themlvesD．will know why to wear heavy backpacks

题型：未知 难度：其他题型

答案

小题1:D小题2:B小题3:D小题4:C小题5:B

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解析

这篇短文主要描述了中美学生的书包都很重，这会对学生的身体造成不良影响。专家对此提出了建议，并号召老师和家长采取适当的措施。小题1:根据短文描述，可知本文主要讲述的是如何减轻学生们的背包的问题。故选D。小题2:根据短文第二段描述，可知他们背包过重主要是因为作业太多。故选B。小题3:联系上下文描述，可知此处指的是许多学生开始使用滚动背包。故选D。小题4:根据Experts say that students should carry no more than 10% to 15% of their own body weight.描述，计算可知选C。小题5:根据Lighten the load.描述及医生的建议，可知主要目的是减轻载重。故选B，可能感到他们的背包更轻了。点评：本文中长句较多，一时很难读懂句子含义，注意多读几遍，不要强求非得理解一词一句的含义，能把握文章大意就行。然后带着问题阅读短文，一般就能顺利找出答题依据。对于有关数字的问题,要认真分析,并进行必要的计算.

考点

据考高分专家说，试题“Are you carrying too.....”主要考查你对 [科教类阅读 ]考点的理解。

科教类阅读

科普类的阅读：科普类的阅读理解包含介绍科学知识、社会知识的短文。阅读这类短文时，要以事实为中心进行思考，抓住事物的特征、用途、相互关系等。如果是介绍社会现象的文章，要掌握所谈现象的内涵。

答题技巧：1. 加强整体意识，把握文章的主要内容。在阅读的时候可给段落标上序号，并给重要的句子和   关键词做上记号，尤其是各段中心句，为答题提供更快捷更多的信息源。 2. 审清题干，发觉和把握试题中有效的提示性信息，确认命题的角度、阅读范围和答题方式。 3. 定位阅读，强化对应意识。同时要注意原文利用和自我加工相结合。