英语阅读题Spending time online is normal behavior for teenagers.B
2个回答
1.D
依据：But too much Internet use by teens -- or too little,for that matter -- might be related to depression,a new study finds.
2.B
依据：Among male teens,heavy users and non-users were both around one-third more likely to have a high depression score,compared to "regular" users.Among girls,heavy Internet users had an 86 percent greater chance of depression,while non-users had a 46 percent greater likelihood compared to regular users.
其中：女孩是86%或46%,而男孩是33%（one-third即1/3）
3.C figures 数据
4.D worried 担心的
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