[音频]What was found in the study?
A. Most students turn to social media for help in times of crisis.
B. Facebook and Twitter are the most popular social media among students.
C. Social media can help alert students during campus emergencies.
D. Social media is as trustworthy as school authorities thought.
查看答案
[音频]What happened in Shinshu University?
A. The president's improper statement caused anger on campus.
B. Students protested against the ban on the use of smartphones.
C. The president's speech led to a heated discussion among students.
D. Students were told to give up their smartphones or leave the school.
What is the lecturer's viewpoint?
A. Students should not be allowed to use smartphones.
B. It is incorrect to force students to quit using smartphones.
C. Students should be allowed to use smartphones out of class.
D. Smartphones will benefit students when used properly.
Why did President Yamasawa make the statement?
A. To dismiss students who use smartphones.
B. To help lecturers organize their classrooms.
C. To gain support from lecturers and students.
D. To warn students not to use smartphones.
划线是机械加工的重要工序，广泛地用于成单件或小批量生产。（）
A. 对
B. 错
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