问题补充：
Dictionaries say that “spring fever” is a lazy or restless feeling . People usually have the feeling on the first warm day of spring. Everyone has probably felt it at one time or another . people have talked about it for years.
Recently, scientists have taken a good look at spring fever. What they found is quite surprising.
In many places we live in , the winter months often seem dark and dreary. When spring comes late March , the world becomes colorful . The number of daylight hours grows with each passing day. According to many scientists, all the sunlight sets off chemicals in the brain (大脑). The chemicals make our feeling change and bring on spring fever.
【小题1】 How do people who have spring fever feel ?A．activeB．awakeC．energeticD．restless . 【小题2】 Scientists think that cause(s) spring fever .A．colorsB．sunlightC．darkD．illness 【小题3】According to the passage ,the underlined word “dreary ”means“” in Chinese.A．沉闷的B．暖和的C．晴朗的D．明亮的 【小题4】 The best title for the passage is .A．How to Get Over Spring FeverB．Spring FeverC．Darkness in winterD．Spring and winterD【小题1】 B 【小题1】A 【小题1】B
答案：
(答案→)D【小题1】 B 【小题1】A 【小题1】B
解析：
1.D 根据Dictionaries say that“spring fever”is a lazy or restless feeling可知人们会感到焦躁不安的，故选D。
2.B 根据文章最后两句According to many scientists, all the sunlight sets off chemicals in the brain (大脑). The chemicals make our feeling change and bring on spring fever可知是阳光导致的结果，故选B。
3.A 猜词题。找到原句the winter months often seem dark and dreary，可知dreary与dark是并列关系，dark（黑暗的）是表达不好的方面，故dreary也是不好的方面，故选A。
4.B 文章主要介绍的是Spring Fever及后来科学家弄清其原因的事，故选B。文章没有讲到如何克服，故A错。C,D只是文章提到的一部分，不能概况全文。
