解析 D　细节理解题。根据第三段第四句可知，这些蓝光电话和该大学公共安全部24小时连线，故选D项。

　　2．How does USC send out instructions during an emergency?

　　A．With blue light phones.

　　B．Via text messages or email.

　　C．Through Mobile Safe App.

　　D．By calling all USC members.

　　解析 B　细节理解题。根据最后一段第一句可知，当发生紧急情况时，TrojansAlert将通过短信或电子邮件来发出指令，故选B项。

　　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.

　　解析 C　写作意图题。通读全文可知，本文主要介绍了USC为学生们提供的安全服务，故选C项。

　　B

课标话题 人与社会·科技发展与信息技术创新 体裁 说明文 词　　数 350 难度 　　(2019·绍兴诊断)I started my journey at the Cadillac House, drove out of the city and got on the 1­95 toward Washington, D．C. It's about a four­hour drive.

As soon as I jumped on the highway, I sped up to about 70 miles per hour and entered standard cruise control. A small indicator on the instrument panel(仪表盘) showed the car was ready to engage self­driving mode. I pushed a button on the steering wheel to begin, initiating Super Cruise mode.