2. 外语
  3. 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

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

admin2019-04-15  49
问题    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.
We can learn from the last paragraph that Chokwe______.
选项 A、is quite successful
B、is facing difficulties
C、has regained hope
D、has a great ambition
答案D
解析 推理题。文章最后一段提到，虽然这款应用程序现在仍然只限于杰克逊的10条街道，但乔科伟希望以后能将杰克逊的每条街道都包括在内，甚至在全国范围内运行。由此可见，乔科伟是很有雄心壮志的，所以选项D(有远大志向)正确。这个应用程序现在还不能上市，故选项A(非常成功)错误。选项B(正面临困难)和选项C(重获希望)文中均未提及。
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