小题1:D
小题2:B
小题3:D
小题4:B
小题5:D
小题1:推理题：从文章第一段的内容和句子：the key to success is making yourself as useful as possible to others. 说明是你给与的越多就会越成功。选D
小题2:B猜词题：从后面的are even aware of“意识到”说明这个词是“预料”。
小题3:D 段落主旨题：从这段的Being sincere means being glad to help others without expecting anything in return.说明说的是“真诚”。
小题4:B 细节题：从第三点里面的句子：Do not wait for the other person to ask for your help.说明是：别等这别人来求助。选B。
小题5:主旨题：从文章第一段的：the key to success is making yourself as useful as possible to others. 看出文章主要是说怎么使自己对别人有用。选D。