问题
单项选择题
以下哪一项不是佛山市社科联会员的义务（）
A、按规定交纳会费
B、接受社科联的业务指导和监督管理
C、积极开展各种学术活动
D、维护社科联的合法权益
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
以下哪一项不是佛山市社科联会员的义务（）
A、按规定交纳会费
B、接受社科联的业务指导和监督管理
C、积极开展各种学术活动
D、维护社科联的合法权益
参考答案：A
| Questions refer to the following graph.
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If every student who was in the eleventh grade in 1996 and who used a computer in school at least once a week used a computer at least once a week in 1997, and if 20% of those students who were in the eleventh grade in 1996 and who did not use a computer in school at least once a week, did use a computer in school once a week in 1997, then what percent of twelfth-graders in 1997 used a computer in school at least once a week
A．(A) 40%
B．(B) 50%
C．(C) 60%
D．(D) 70%
E．(E) 80%
