本篇文章是前程百利小编为大家整理科学美国人文章，这篇文章很适合作为托福听力的背景知识来运用，对于背景知识大家要学会积累，而且背景材料的分析也很重要，请看下文分析。
原文：
Signs that say "Share the Road" with bicycles may have far less influence over motor vehicle driver behavior than would signs saying "Bicycles May Use Full Lane."
Streets can be a dangerous place for bicycles. In 2013, nearly 750 cyclists were killed in the U.S. from being hit by a car. And of the 48,000 cycling injuries that were reported that year, nearly a third involved a motor vehicle. Now, a new study suggests that signs sporting just five words could help show drivers and biker-riders how to share the road. By not saying “share the road.”
In all 50 states, traffic regulations state that bikes should be treated as vehicles. Which means that they have the same rights as cars when it comes to using the roads. But those rules are not always clear. Signs that urge motorists to “Share the road” are ambiguous. Cyclists may assume they mean that cars should make room for bikes. But some drivers may think they’re saying that bikes should get out of the way of traffic.
To see how such signs influence how people think about bike-riders’ rights, researchers recruited 1,800 volunteers to take a quick survey. Subjects were shown one of four images. Some saw a street with a traditional “share the road” sign; some saw an image of a bicycle painted on the pavement in a shared lane; some saw signs that read “bicycles may use full lane”; and some saw a street with no instructions at all. They then answered some questions about road etiquette.
It turns out that folks who saw the sign explicitly noting that bikes can use the full lane were the most likely to recognize cyclists’ rights to be on the road. And the ambiguous “share the road” suggestion? It had about the same influence on the study subjects as no sign at all.
So remember, bicycles may indeed use the full lane. And everyone on the road should use their full brain.
专业词汇
Vehiclen. [车辆] 车辆;工具;交通工具;运载工具;传播媒介;媒介物
Motor n. 发动机，马达;汽车adj. 汽车的;机动的vt. 以汽车载运vi. 乘汽车
Ambiguous adj. 模糊不清的;引起歧义的
Lane n. 小巷;[航][水运] 航线;车道;罚球区
Explicitly adv. 明确地;明白地
Pavement n. 人行道
Recruited vt. 招聘，雇佣(recruit过去时形式);招募
Motorist n. 驾车旅行的人，开汽车的人
长难句解析：
1. Now, a new study suggests that signs sporting just five words could help show drivers and biker-riders how to share the road.
难句类型：
That引导的宾语从句
句子主干：
a new study suggests that
难句拆分：
signs sporting just five words could help show drivers and biker-riders how to share the road中that引导的宾语从句，作that的宾语
2. To see how such signs influence how people think about bike-riders’ rights, researchers recruited 1,800 volunteers to take a quick survey.
难句类型：
How引导的方式状语
句子主干：
researchers recruited volunteers
难句拆分：
To see作目的状语;how作see的方式状语
文本结构特点：
本篇文章主要讲的是好路标的重要性。文章从如果路标不好就会导致生命财产安全，所以我们要注重路标的重要性。
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。希望能在备考托福的路上助大家一臂之力。最后，小编祝大家在托福考试中取得好成绩!
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