大学英语四级题库/听力 Section A

Questions 5 to 7 are based on the news report you have just heard.

1.[单选题]__________________.
  • A.It increases the applications of mobile phones.
  • B.It speeds up the process of photosynthesis.
  • C.It improves the reception of mobile phones.
  • D.It collects the energy released by plants.
2.[单选题]

_______________.

  • A.While sitting in their school's courtyard.
  • B.While playing games on their phones.
  • C.While solving a mathematical problem.
  • D.While doing a chemical experiment.
3.[单选题]___________.
  • A.An environment-friendly battery.
  • B.An energy-saving mobile phone.
  • C.A plant-powered mobile phone charger.
  • D.A device to help plants absorb sunlight.
参考答案: D,A,C