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[音频]
A. Mobile phones disturb students when they study.
B. Mobile phones help to promote the learning of students.
C. Mobile phones bring convenience to students.
D. Mobile phones are being overused.
[音频]
A. Because she doesn't have anyone to add to her contact list.
Because she doesn't install any chatting software.
C. Because she believes that online chatting is unsafe.
D. Because she is used to traditional ways of contact.
[音频]
A. She will inform the faculty members in person.
B. She has to ask the engineers to repair the network.
C. She'snot sure if the network will be OK in the afternoon.
D. She can't send the email right now.
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