小题1:D
小题1:D
小题1:C
小题1:B
小题1:A
小题1:推理判断题。第五段“…interviewed the people every day for two weeks…people told the researchers about the happy or bad feelings they had that day ”排除A；第六段提到“…the people were given colds by doctors and had to stay in a room for six days”排除B和C；D 文中没有涉及。
小题1:细节推理题。根据第七段“The results showed that…”可得出答案选D。
小题1:细节推理题。文中最后一段根据Cohen,…people experience positive feelings, their body may produce chemical that helps to fight illness and disease…故选C。
小题1:归纳推理题。本文如实讲述了纽约大学的一项调查，并非是广告，故事，日记。排除A,C,D。
小题1:综合推理题。根据全文内容，没有提及引起感冒的原因，感冒的危害以及人是这样生病的。排除B,C,D。