27 版本________ 28 直升机__________
29 稳固的_______ 30 稻草____________
II Paraphrase
1. fitting in well with people's needs or plans; suitable_______
2. discovering or being discovered________
3.official document giving the holder the right to make, use or sell an invention_____
4. fragrant or pleasant smell_______
5. recognize the difference between (people or things) ________
6. devise used to observe, record or test sth.___________
7. standard by which sth. is judged____________
8. not active; submissive___________
9. legally effective because made or done with the correct formalities ___________
10. formal request ___________
11. group of people appointed to deal with a particular matter___________
12. dirty or untidy state____________
13. can endure; tolerate; stand__________
14. of the present time_____________
15. geometric figure with three straight sides and three angles____________
III Match
1. Don't ring off. a. call up
2. not abstract b. now and then
3. telephone sb.; bring sth. back to one's mind c. hang on
4. be successful in or pass the examination d. practical