Passage Four
Chokwe Selassie is on a mission to help drivers avoid potholes(路面坑洞). The eighth-grader got his inspiration on a recent morning, when his mother was driving him to school. Their car was damaged as it went over a huge pothole in the middle of the street in their hometown of Jackson, Mississippi. “I decided I was going to do something about the pothole problem in my city,” said Chokwe. His solution: an app that warns drivers when there is a pothole ahead.
Chokwe developed the app with his friends, “When the app detects a pothole, it is highlighted in red,” Chokwe says. “And if you get close to the pothole, your phone will warn you with a beep.” Drivers can also use the app to report any potholes they encounter, and to look for other routes they can take to avoid roads that have them.
The app relies on current available information about the streets of Jackson. “It works by using the city's 311 call system, so it uses information already stored in a database,” Chokwe says. Through the call system, citizens dial 311 to report non-emergency problems—which include potholes. As Chokwe and his friends worked on the app, they also went street by street throughout the city. They determined that focusing on the 10 busiest streets in Jackson would give them a large enough sample size to test it.
Although the app isn't yet available for sale, Chokwe is already looking for ways to improve it. The app remains limited to 10 streets in Jackson, but he hopes to add more, so that it includes every street in the city. And then he wants to go even farther. “I want to keep working on the app until it's nationwide,” Chokwe says.
Chokwe Selassie got the idea to develop the app from ________.
细节题。从原文第一段第二句可以得知灵感来自于一点早上他妈妈开车送他上学的真实经历，所以选A。
【参考译文】
Chokwe Selassie正在执行着任务——帮助司机避免路面坑洞。这个九年级的学生的灵感来自于最近早上的一次经历，当时他妈妈正开车送他上学。然后在密西西比，他家乡Jackson的街道中间，他们的车在经过一个巨大的坑洞时损坏了。“我下决心要为我们城市的路面坑洞问题做点事情，”Chokwe说。他的方法是：一款能在前方有坑洞的时候警告司机的APP。
Chokwe和朋友一同研发了这款应用软件。“当应用软件侦测到路面坑洞的时候，上面就会有红色提示，”Chokwe说。“如果你靠近坑洞的时候，你的电话就会发出哔哔声以示警告。”司机也可以通过这款应用软件报告他们所碰到的坑洞，并搜寻其他的路线来避开这些有坑洞的路。
这款软件依托于Jackson街道的现有信息。“它是通过使用城市的311呼叫体系工作的，所以它使用的是数据库中存储的信息。”Chokwe说。通过呼叫体系，市民可以拨打311报告非紧急问题——路面坑洼问题也包括在内。Chokwe和朋友在设计这款软件时，他们也在城市里的各条街道上穿梭。他们坚定地认为，重点考察Jackson的十条最繁华的街道能让他们有更大的样本量来测试这个软件。
虽然这款软件现在还未上市销售，Chokwe已经在着力于改进它。软件现在仅局限于Jackson的十条街道，但是他希望能增加更多，最后能将整个城市的街道都包括在内。他还想更进一步。“我想继续改进这款软件，最后能在全国推广，”Chokwe说。
When you are close to a pothole, your phone will warn you with ________.
细节题。从第二段第二行可以得知“如果你靠近坑洞的时候，你的电话就会发出哔哔声以示警告”，所以选C。
Drivers can also use Chokwe' s app to ________.
细节题。从第二段最后一句（司机也可以通过这款应用软件报告他们所碰到的坑洞，并搜寻其他的路线来避开这些有坑洞的路）可以得知C为正确选项。
To develop the app, Chokwe and his friends ________.
细节题。从第三段倒数第二句可以得知，Chokwe和朋友在设计这款软件时，他们也在城市里的各条街道上穿梭，conduct field trips的意思是“进行实地考察”，是原文的意思综述，所以选B。
We can learn from the last paragraph that Chokwe ________.
推理题。原文最后一段指出：虽然这款软件现在还未上市销售，Chokwe已经在着力于改进它。软件现在仅局限于Jackson的十条街道，但是他希望能增加更多，最后能将整个城市的街道都包括在内。“我想继续改进这款软件，最后能在全国推广。”由此可以看出Chokwe很有志气，所以选D。