题目

阅读理解 When it comes to U.S. middle school science and engineering, girls rule. Girls took the top five prizes at the 2019 Broadcom MASTERS, a competition for middle school students across the country. The winners were announced last month. The champion was 14-year-old Alaina Gassler who designed a system to make driving safer by reducing the number of blind spots, the areas that drivers cannot see outside their vehicles, which lead to about 840,000 accidents a year nationwide. Alaina's system helps drivers see "through" the A-frame pillar(支柱), the part of the vehicle at the front that joins the top and front window, which is important for safety and cannot be removed. Alaina used a camera to help drivers look "through" the structure to see what is blocked. The camera sends video to a device that shows images on the other side of the pillar. The driver then can see what's in the blind spot. Alaina said that when she heard her name called as the winner, "it was so unexpected". She received a $25,000 prize for her invention and told Popular Mechanics she could make improvements on her device with the money. Alaina said she wanted to improve the picture, making it easy to see in any kind of weather, or at any time of day. She also told the magazine she hoped to sell her idea. "Competitors of 2019, including Alaina, are already leaders in their fields of science, technology, engineering and mathematics (STEM)," said Paula Golden, president of the Broadcom Foundation. "These young innovators give every one of us hope for the future." The Broadcom MASTERS competition is a project of the Society for Science &the Public. The term MASTERS is short for Math, Applied Science, Technology, and Engineering for Rising Stars. The program was set up to motivate young people to attend college and pursue careers in STEM fields. （1） What earned Alaina the first place at the 2019 Broadcom MASTERS? A . Introducing technology to test drivers' skills. B . Improving a device to send emergency signals. C . Designing a camera to monitor the road conditions. D . Inventing a system to show drivers the blind areas. （2） What can we learn about Alaina from Paragraph 3? A . She has been dreaming about the prize for long. B . She wants to advertise her idea in more magazines. C . She invites people to test her system by taking photos. D . She may spend the prize money improving her device. （3） What's Paula's attitude towards the competitors? A . Doubtful. B . Negative. C . Positive. D . Unconcerned. （4） What does the author intend to do in the last paragraph? A . Add some background information. B . Provide some advice for the readers. C . Summarize the previous paragraphs. D . Raise a new topic for discussion. 答案： D D C B

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