Unit20 New Frontiers 单元同步测试
一. 单词拼写。 10x2
1. Tom and Jack had ___________________( 通信 ) for many years.
2. Professor Smith , an ear ____________(专家 ), organized a national survey of nose disease in children.
3. Singing, playing games, and reading are forms of _____________(消遣)
４. The chairman is considering changes to the sex ________________(歧视) law to promote equal opportunities.
5. A p_______ gives the owner ther right to be the only onew who can make , use or sell an invention or product for a particular number of years.
6. Everyone was encouraged to d________ a day’s pay to help survivors of the disaster.
7. Had not Tom dived into the river to r___________ him, the boy would have drowned.
8. A car is very h______ for people who live some little distance from town.
9. Some good sources of information can a_______ us in making the best selection.
10. This medicine is ____________( 有毒的) if taken in large quantities.
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