[解析]
(1)C.考查上下文衔接.根据上文" you don't even know where to go for your own classes. "(你甚至都找不到自己班的位置)得知它于C项:Making new friends can be hard,too."结交新朋友也很难."信息吻合.故选C.
(2)D.考查学生提炼主题句的能力.根据下文" If some people don't accept you,they're not the kind of friends you need.People often stay together because they have similar interests"(如果有人不接受你,那么他们就不是你需要的那种人.人经常是因为兴趣相投而在一起.)得知它与D项:Never change who you are to try to fit in."千万不要为了适应别人而改变自己"信息吻合.故选D.
(3)A.考查学生提炼主题的能力.根据下文"Remember to be nice to the people you meet at your new school"(切记要友善对待在新学校遇到的人.)得知它与A项:Be friendly to others."待人友善"信息吻合.故选A.
(4)E.考查上下文衔接.根据上文"Raise your head and make eye contact(目光接触) with other people"(抬头和其他人的目光接触)得知它与E项:If you see someone you know,smile and say"Hi"."如果遇到你认识的人,要微笑打招呼."信息吻合.故选E.
(5)F.考查上下文衔接.根据上文"You like it when people use your name,and so do other people."(你喜欢别人称呼你的名字,别人也是如此.),所以F项:People may become angry if you just begin by saying"Hey"each time."如果你每次都用'嗨'打招呼,他们可能会生气的."就是最佳选项.故选F.