资源介绍：本文就必修4Unit 4的重点知识以单词拼写、用所给词的适当形式填空、单项选择和短文改错的题型对学生掌握知识情况进行检测，并提供了答案解析。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．Our English teacher did not explain its grammatical __________ (功能)．
2．Wang Gang has been chosen to________(代表)the company to attend the conference.
3．When we _____(接近)the woods a small rabbit ran out of the jungle.
4．The________(主要的) part of the job is done by robots.  
5．From his ______ (面部的) expression we could see that he was unsatisfied.
6. In our school many students live in their _____ (宿舍) and have meals in the ___ (食堂).