小题1:C
小题2:B
小题3:D
小题4:B
小题5:A
小题1:根据上下文的内容Without other people, life became empty and sad. We all need friends.可知答案为C
小题2:根据文章内容For some of us, though making friends is not difficult, feeling shy, we may not want to make the first move. It is also difficult at times to keep the friends we already have.可知答案为B
小题3:根据文章内容大意可知答案为D
小题4:根据建议内容可知答案为B
小题5:纵观整个文章内容可知答案为A