A
(2019·太原模拟)Located in Los Angeles，University of Southern California is in the heart of a leading city.Although LA ranks highly in The Economist's Safe Cities Index，navigating any city calls for certain safety precautions(预防措施) along with practicing common sense.
Mobile Safety App Powered by LiveSafe
The Mobile Safety App powered by LiveSafe，managed by the USC Department of Public Safety and the USC Department of Emergency Planning，is a free downloadable app that mobile users can use to initiate contact with emergency responders around the campus.Features include：immediate“push button” calls to DPS，easy reporting for suspicious activity or crimes in progress，and location services to notify friends of your route through campus.
Blue Light Phone Locations
The University Park has multiple blue light phones that are strategically placed throughout campus.Take note of where the closest ones are on your route.They come in handy in case you lose your phone or in an emergency.These phones are directly connected to USC Department of Public Safety's 24hour communications center.Besides emergency needs，it can also be used to report suspicious activity，request for an escort(护卫者) if you feel unsafe and to report a crime.
TrojansAlert
TrojansAlert is an emergency notification system that allows university officials to contact you during an emergency by sending messages via text messages or email. When an emergency occurs，authorized USC senders will instantly notify you of realtime updates，instructions on where to go，what to do(or what not to do)，whom to contact and other important information.All members of the USC community，as well as parents and regular visitors to campus，are strongly encouraged to sign up for TrojansAlert.
【语篇解读】 本文是一篇应用文，主要介绍了洛杉矶南加利福尼亚大学在校园里采取的一系列安全预防措施，包括在手机中免费下载安全应用软件、在校园内安装蓝光电话等。
1．What do blue light phones do for students?
A．Guide students through campus.
B．Alert students to crime activities.
C．Light up the way if students feel unsafe.
D．Connect them with the safety department.
D [细节理解题。根据第三段第四句“These phones are directly connected to USC Department of Public Safety's 24hour communications center”可知，这些蓝光电话和南加利福尼亚大学公共安全部24小时保持联系，故D项正确。]
2．How does USC send out instructions during an emergency?
A．With blue light phones.
B．Via text messages or email.
C．Through Mobile Safety App.
D．By calling all USC members.
B [细节理解题。根据最后一段第一句“TrojansAlert is an emergency notification system that allows university officials to contact you during an emergency by sending messages via text messages or email”并结合第二句内容可知，当发生紧急情况时，大学官员将通过发送电子邮件或短信来联系你，故B项正确。]
3．What is the purpose of the text?
A．To encourage students to fight crime.
B．To introduce USC's safety department.
C．To provide safety services for USC students.
D．To inform parents of safety risks on campus.
C [写作意图题。通读全文可知，本文主要介绍了洛杉矶南加利福尼亚大学在校园里采取的一系列安全预防措施，包括在手机中免费下载安全应用软件、在校园内安装蓝光电话等，故C项正确。]
