今天前程百利小编为大家分享的是托福听力的背景学习。备考托福听力就要把听力文本吃透分析彻底。这样不仅能积累背景材料，还能把听力的专业词汇积累起来一块背诵，为托福听力打下坚实的基础。下面跟小编一起看一下高跟鞋与健康有什么关系?
Emergency room visits due to high heel shoe–related injuries doubled between 2002 and 2012. Erika Beras reports
Maybe call it the Sex and the City footwear effect? High heels are stylish and in some circles considered a fashion requirement. But they come with risks: emergency room visits due to high heel shoe-related injuries doubled between 2002 and 2012. That’s according to a study in the Journal of Foot and Ankle Surgery.
Researchers estimate that, during the period of the study, Americans sustained more than 123,000 high heel–related, ER-worthy injuries. Almost three quarters of the damage was to ankles and feet, but wearers also hurt their knees, shoulders and heads. Most of the injuries were minor.
The research adds to a body of knowledge on the adverse effects of heels. It’s known that walking in them can reduce ankle muscle movement, stride length and balance. Long term, heels can alter the neuromechanics of walking and can lead to musculoskeletal disorders. But they look good. And more than half of American women—and some men—wear heels regularly.
Most of the footwear foibles tracked in the study were suffered by women between the ages of 20 and 29. And perhaps surprisingly, the majority of the injuries did not happen while people were out on the town—they occurred at home. So before you done your newest pair of pricey pumps, wedges or stilettos, remember, being careful can save your sole. And your ankle, too.
疑难词汇：
Emergency room visits 急诊室
Stylish adj. 时髦的;现代风格的;潇洒的
Sustain vt. 维持;支撑，承担;忍受;供养;证实
Footwear 鞋类
Foible n. 弱点;小缺点;癖好
Pricey adj. 高价的，过分昂贵的
Pump vt. 打气;用抽水机抽…n. 泵，抽水机;打气筒vi. 抽水
Wedge vt. 楔入;挤进;楔住vi. 楔入;挤进n. 楔子;楔形物;导致分裂的东西
Stiletto n. 匕首;小剑;细高跟女鞋
长难句解析：
1. It’s known that walking in them can reduce ankle muscle movement, stride length and balance.
难句类型：
v-ing伴随状语
句子主干：
Parrotfish munching on algae ingest coral and eliminate the rocky substrate
难句拆分：
creating island-building grade sediment in places like the Maldives，V-ing作伴随状语。
2. Researchers estimate that, during the period of the study, Americans sustained more than 123,000 high heel–related, ER-worthy injuries.
难句类型：
That引导的宾语从句
句子主干：
Researchers estimate that
难句拆分：
during the period of the study拆入语，修饰成分。Americans sustained more than 123,000 high heel–related, ER-worthy injuries，That引导的宾语从句。
文本结构特点：
本篇文章主要讲的是高跟鞋会给女性带来健康威胁。而且受伤的一般都发生在家里而不是发生在室外。所以穿高跟鞋不要穿的太高，而且要注意安全。
好了，以上就是前程百利小编为大家整理的备考托福听力背景材料以及专业词汇的学习。大家学会了吗?希望能在备考托福的路上助大家一臂之力。预祝大家在托福考试中取得好成绩。
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