资源介绍：本文就Unit 1的重点知识以单词拼写、完成句子和单项选择的题型对学生掌握情况进行检测。通过检测学生可以了解哪些知识已经掌握，哪些知识有待加强巩固。

一、单词拼写
1．The scientist spent much of his time ____(观测) stars and planets.
2．In summer people like to play cards in the ____ (阴凉).
3．What surprised me most was that the young lady ______ (表现) bravely in the face of danger.
4．The student’s union has started a ___ (运动) to make students practise thrift (节约).
5．It is ________ (值得的) to help people in need.