A:①②
B:②③
C:③④
D:①④
—It's too complex, I think.
—______. So we'd better make it easier for students to get involved.
We ____ musicians____ the school show.
观察如图漫画“网瘾”,对我们中学生的启示有( )
①要学会杜绝不良嗜好 ②要提高自我保护意识与能力
③要严厉制裁网络违法犯罪 ④学会维护社会秩序