1. I went along thinking of nothing ________， only looking at things around me，

　　A） in particular B） in harmony C） in doubt D） in brief

　　2. Critics believe that the control of television by mass advertising has ________ the quality of the programs.

　　A） lessened B） declined C） affected D） effected

　　3. I must congratulate you ________ the excellent design of the new bridge.

　　A） with B） of C） at D） on

　　4. There is a fully ________ health center on the ground floor of the main office building.

　　A） installed B） equipped C） provided D） projected 【外*語教育網(wǎng)編輯整理www.for68.com】

　　5. For more than 20 years， we‘ve been supporting educational programs that ________ from kindergartens to colleges.

　　A） move B） shift C） range D） spread

　　6. The ________ at the military academy is so rigid that students can hardly bear it.

　　A） convention B） confinement C） principle D） discipline

　　7. The test results are beyond ________； they have been repeated in labs all over the world.

　　A） negotiation B） conflict C） bargain D） dispute

　　8. I was so ________ in today‘s history lesson. I didn’t understand a thing.

　　A） amazed B） neglected C） confused D） amused

　　9. It ____ you to at least 50% off the regular price of either frames or lenses when you buy both.

　　A） presents B） entitles C） credits D） tips

　　10. Deserts and high mountains have always been a ________ to the movement of people from place to place.

　　A） barrier B） fence C） prevention D） jam

　　11. In order to make things convenient for the people， the department is planning to set up some ________shops in the residential area.

　　A） flowing B） drifting C） mobile D） unstable

　　12. Mr. Smith says： “The media are very good at sensing a mood and then ________ it.”

　　A） overtaking B） enlarging C） widening D） exaggerating

　　13. This is not an economical way to get more water； ________， it is very expensive.

　　A） on the other hand B） on the contrary C） in short D） or else

　　14. It was the first time that such a ________ had to be taken at a British nuclear power station.

　　A） presentation B） precaution C） preparation D） prediction

　　15. ________ that he wasn‘t happy with the arrangements， I tried to book a different hotel.

　　A） Perceiving B） Penetrating C） Puzzling D） Preserving

　　16. The board of the company has decided to ________ its operations to include all aspects of the clothing business.

　　A） multiply B） lengthen C） expand D） stretch

　　17. His business was very successful， but it was at the ________ of his family life.

　　A） consumption B） credit C） exhaustion D） expense

　　18. First published in 1927， the charts remain an ________ source for researchers.

　　A） identical B） indispensable C） intelligent D） inevitable

　　19. Joe is not good at sports， but when it ________ mathematics， he is the ‘best in the class.

　　A） comes to B） comes up to C） comes on to D） comes around to

　　20. Doctors warned against chewing tobacco as a ________ for smoking.

　　A） relief B） revival C） substitute D） succession

　　21. When carbon is added to iron in proper ________ the result is steel.

　　A） rates B） thicknesses C） proportions D） densities

　　22. You should try to ________ your ambition and be more realistic.

　　A） reserve B） restrain C） retain D） replace

　　23. Nancy is only a sort of ________ of her husband‘s opinion and has no ideas of her own. A） sample B） reproduction C） shadow D） echo

　　24. Now that spring is here， you can _____ these fur coats till you need them again next winter.

　　A） put over B） put away C） put off D） put down

　　25. There is a ________ of impatience in the tone of his voice.

　　A） hint B） notion C） dot D） phrase

　　26. Please ________ dictionaries when you are not sure of word spelling or meaning.

　　A） seek B） inquire C） search D） consult

　　27. At yesterday‘s party， Elizabeth’s boyfriend amused us by ________ Charlie Chaplin.

　　A） copying B） following C） imitating D） modeling

　　28. She keeps a supply of candles in the house in case of power ________. A） failure B） lack C） absence D） drop

　　29. The group of technicians are engaged in a study which ______ all aspects of urban planning.

　　A） inserts B） grips C） performs D） embraces

　　30. The lecture which lasted about three hours was so ________ that the audience couldn‘t help yawning.

　　A） tedious B） bored C） clumsy D） tired

　　KEY：Unit 19

　　1-5 ACDBC 6-10 DDCBA 11-15 CDBCA 16-20 CDBAC 21-25 CBDBA 26-30 DCADA