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Last weekend in Washington, D.C. 30 youn...

    Last weekend in Washington, D.C. 30 young researchers from across the nation were preparing for a competition. In a sense, all were winners already. After all, each had to beat out hundreds of others for the chance to arrive in the final. But only one competitor would take home the top prize: an educational award worth $25,000. Finally, Alaina Gassler, 14, won the top prize.

Alaina was one of the 30 finalists from 13 states who competed in the ninth yearly Broadcom MASTERS competition. Alaina and the other finalists had to be in sixth, seventh or eighth grade to attend the competition. What’s more, their research had to be judged within the top 10 percent of all projects. As usual, those projects all fell within the fields of science, technology, engineering or mathematics. Fifteen of the finalists took home major awards. For the first time this year, 60g% of the finalists were women.

Alaina developed a system whose goal is to improve driving safety. “Congratulations to Alaina, whose project has the possibility of reducing the number of traffic accidents,” said Maya Ajmera, president of Science and the Public, the organization that created the competition.

Alaina goes to school in West Grove, Pennsylvania. “I didn’t think I’d win an award this big.” she said. For her project, Alaina developed a system that could reduce blind spots for drivers. Such areas can hide objects or other cars from a driver’s view, and thus easily lead to accidents.

Alaina’s system depends on a camera fixed on the front part of the passenger-side window. It can monitor (监视) things a driver can’t see. The camera records a video of what it’s seeing and at the same time sends it to a projector (投影仪) fixed over the driver’s head. That projector plays the video on a screen, which is fixed on the passenger-side roof support. In this way, the blind spots are decreased.

1.What do we know about the competition?

A.It encourages teamwork. B.It is meant for college students.

C.It encourages theory exploration. D.It is a fierce national competition.

2.What is special about this year’s competition?

A.More winners stand out. B.More girls perform better.

C.All of the projects are more useful. D.Half of the competitors are awarded.

3.How does Alaina Gassler feel about her prize?

A.Surprised. B.Satisfied. C.Encouraged. D.Puzzled.

4.What plays the biggest role in Alaina Gassler’s system?

A.The projector. B.The monitor. C.The camera. D.The screen.

 

1.D 2.B 3.A 4.C 【解析】 这是一篇说明文。上周末,来自美国各地的30名年轻研究人员在华盛顿特区准备参加一场竞赛。最终,14岁的Alaina Gassler获得了最高奖项。文章介绍了比赛的情况,以及Alaina获奖的作品是一个旨在提高驾驶安全的系统,可以减少司机盲点。 1. 推理判断题。根据第一段中Last weekend in Washington, D.C. 30 young researchers from across the nation were preparing for a competition. In a sense, all were winners already. After all, each had to beat out hundreds of others for the chance to arrive in the final.可知上周末,来自美国各地的30名年轻研究人员在华盛顿特区准备参加一场竞赛。从某种意义上说,所有人都已经是赢家了。毕竟,每个人都必须击败数百名其他选手才能进入决赛。由此可推知,这是一场激烈的全国性比赛。故选D。 2. 细节理解题。根据第二段中For the first time this year, 60g% of the finalists were women.可知今年首次有60%的决赛选手是女性。由此可知,今年的比赛的特别之处是更多的女孩表现更好。故选B。 3. 推理判断题。根据第四段中“I didn’t think I’d win an award this big.” she said.可知“我没想过我能赢得这么大的奖项。”她说。由此可推知,Alaina Gassler对她的获奖感到惊讶。故选A。 4. 细节理解题。根据最后一段Alaina’s system depends on a camera fixed on the front part of the passenger-side window. It can monitor (监视) things a driver can’t see. The camera records a video of what it’s seeing and at the same time sends it to a projector (投影仪) fixed over the driver’s head. That projector plays the video on a screen, which is fixed on the passenger-side roof support. In this way, the blind spots are decreased.可知Alaina的系统依赖于一个固定在副驾驶一侧窗户前部的摄像头。它可以监控司机看不到的东西。摄像头记录下它所看到的画面,同时将其发送到固定在司机头上的投影仪上。投影仪在屏幕上播放视频,屏幕固定在副驾驶侧的车顶支架上。通过这种方法,可以减少盲点。由此可知,在Alaina Gassler的系统中,相机发挥了最大的作用。故C选。
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