Unit 3 Understanding each other单元复习学案

unit 3 understanding each other单元复习学案
词汇导练
1．dust and dirt soon  a____________ if a house is not cleaned regularly.
2．it would be  u____________ that such an honest fellow should have betrayed his friends.
3．despair is a  s____________ of weakness.
4．he told a rather rude joke，and everyone looked  e____________.
5．the teacher’s explanation  c____________ the puzzling problem.
6．we have several questions ____________(关于)the report.
7．this button is for ____________(调整)the volume.
8．the equipment must be bought from a supplier ____________(认可)by the company.
9．his remarks show that he ____________(误解)my position on the question.
10．please ____________(包，裹)the box in red paper.
11．a company cannot be sold without the____________(approve) of the shareholders.
12．she fulfilled her_