2. What lesson did Coachella Valley learn from LA’s problems?

　　A. Social media sites are blocked in classrooms.

　　B. Kids aren’t able to surf harmful online contents.

　　C. Students build their personal profile information.

　　D. A digital citizenship should be used properly.

　　【解析】选B。推理判断题。结合第四段的It’s working to strengthen profile security and will block harmful and inappropriate online contents. 可知, 这个学校采取了措施防止孩子们浏览一些有害的内容, 故选B。

　　3. According to Cheyenne, the iPad plan　.

　　A. was completely a waste of time

　　B. kept a new media open to everyone

　　C. didn’t achieve what was expected to do

　　D. improved academic achievement greatly

　　【解析】选C。细节理解题。根据第五段的she’s open to new media in the classroom but wonders if the iPad money might be better spent on other things. She says people will most likely steal them, break them or wear them out. 可知, 她认为花在iPad上的钱是否用在别的地方更好, 因此选C。

　　4. What problem did Rebecca think the tablet plan has?

　　A. The understanding of parents.

　　B. The support of schools.

　　C. The shortage of money.

　　D. The lack of connectivity.

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