Unit 31. We have had to raise our prices because of the increase in the cost of ____ materials.A) primitive B) rough C) original D) raw2. The social security system provides ____ for retired citizens.A) wages B) pensions C) profits D) rewards3. It is well-known that the retired workers in our country are ____ free medical care.A) entitled to B) involved in C) associated with D) assigned to4. Although she was not very rich, she was quite____ with her money.A) noble B) flexible C) liberalD) liable5. He received a letter of thanks for his ____ of books to the Shakespeare library.A) publication B) donation C)acquisition D) quotation6. The bus ran over the cliff because its ____ failed.A) brakes B) controls C) gears D) signals7. Not long ago, a government official whom I know very well was ____ a bribery.A) related to B) involved in C) included in D) subjected to8. They put in the highest ____ for the house.A) currency B) proposal C) bidD) purchase9. A good hunting dog is ____ to every sound and movement in the field.A) alert B) aware C) cautiousD) nervous10. This diploma ____ that you have completed high school.A) proves B) certifies C) secures D) approves11. He was accused of ____ vital secrets to the enemy.A) leaking B) loosening C) relieving D) issuing12. Only the most sophisticated theories of modern physics can ____ this phenomenon.A) account for B) count on C) account of D) count for13. At the end of his trial, he was ____ of murder.A) convicted B) convinced C) sentenced D) condemned14. Most flowers will not ____ without sunshine.A) cultivate B) boom C) sustain D) thrive15. The company has an employee ____ of everyone working for them.A) profile B) acquaintance C) administration D) acknowledgementUnit 5Test yourself—multiple choice1. It took him several months to ____ the wild horse.A) tend B) cultivate C)breed2. I don’t think it was an accident. He did it on ____.A) choice B) purpose C) intention D) design3. The manager ____ the letter to his secretary, who wrote it down in short hand.A) passed B) copiedD) declared4. He was of ____ birth; his parents had no money and lived poorly.B) harsh C) wickedD) wrecked5. On the way to school, there was no shelter from the rain, so the students were soaked ____.A) wet to the skin C) on the skin D) over6. The smoke from the burning building almost ____ the firemen and forced them to wear masks.A) blocked B) provokedD) stroked7. He smiled again with an air of ____ contentment and said, “It’s the first time I’ve ever done what I wanted to do.”A) supreme B) superficial C) supplementary D) superior8. We might say that ____ has been done when a man’s innocence and guilt has been proved beyond doubt.A) judgment B) juryD) wrong9. He has given all the facts at great ____ so that you may judge for yourself.A) detail B) extent C) degree10. She hasn’t found an apartment yet; she’s staying with her aunt ____.A) for a long time B) for the first timeD) from time to time11. On receiving sound waves, our eardrums ____ and cause minute electrical signals to be sent to the brain.A) shiver B) shake D) tremble12. Coal and petroleum are called ____ substances, because they are the remains of living things.A) superb C) vigorousD) rotten13. Preservatives (防腐剂) are added to bread to keep it from getting ____.A) static B) stained C) stable14. Here were cycles of industrial prosperity which always collapsed into industrial ____.A) booms B) nightmaresdepressions D) disadvantages15. All men or women, young or old, short or tall, should not ____ any form of discrimination, because sooner or later we are all likely to fall victim to this dangerous practice.A) resist B) sustain C) undergoUnit 61. I said I would do it and I ____ my promise.A) stand up to B) stand forstand by D) stand up for2. Mr. Morgan can be very sad ____, though in public he is extremely cheerful.A) by oneself B) in personin private D) as individual 3. Color-blind people often find it difficult to ____ between blue and green.A) separate distinguish C) compare D) contrast4. Keeping what belongs to another ____ to stealing.A) applies B) accounts C) attaches5. The time taken on your journey, together with your ____, will enable you to calculate how far you have travelled.A) distance B) rate D) motion6. The newly-built Science Building seems ____ enough to last a hundred years.A) static B) sophisticated C) steady7. Helen groups all people into two ____: those she likes and those she dislikes.A) specimens categoriesC) catalogs D) sectors8. Fry rejected the accepted ____ of behavior andmarried one of his servants.A) hint C) signal D) advice9. We couldn’t see much because there was only a ____ light in the room.A) delicate B) disguised C) depressed10. The truck driver was proved ____ of the crime.A) indifferent B) independent innocent D) inevitable11. His argument does not suggest that mankind can ____ to be wasteful in the utilization of these resources.A) resort B) grant D) entitle12. He takes a 10% ____ on all the sales he makes: if he sells goods worth $100 he gets $10.A) portion B) proportion C)concession13. Putting in a new window will ____ cutting away part of the roof.A) include C) containD) comprise14. The authorities ____ tourists from visiting the secret factory.A) banged B) bound C) bonded15. There are certain ____ on which you must interrupt people who are in the middle of doing something.A) conditions C) situations D) environmentsUnit 9B. Multiple Choice1. My cases were too heavy, and the airline charged me $40 for ____ baggage.A) extensive B) exclusive C) extreme D) excess2. To write it as I wanted, however, would ____ all the rules of formal composition I’d learned in school, and Mr. Fleagle would surely give it a failing grade.A) obey B) regulate C) violate D) make3. ____ plants need to be protected from cold wind and frost.A) Refined B) Moderate C) MildD) Delicate4. When the bell rang, people walked out of their homes and ____ on the village square.A) assembled B) dismissed C) dissolved D) disappeared5. The rain came almost on ____ because the crops were in bad need of it.A) plan B) arrangement C) scheduleD) purpose6. Last year the company’s ____ prof its amounted to six and a half million dollars.A) excessive B) comprehensive C) utter D) overall7. This album (签名薄) is ____ as it was the only one signed by President.A) unusual B) unique C) rareD) singular8. Mr. Smith bought the curtain with a(n) ____ pattern of flowers on it.A) detailed B) developed C)elaborate D) careful9. They lack sufficient resources to ____ their campaign for long.A) sustain B) contain C) retainD) attain10. Many university courses are not really ____ tothe needs of students or their future employers.A) associated B) related C) gearedD) qualified11. For all babies, breastfeeding is far ____ to bottle-feeding.A) substantial B) superior C) superb D) significant12. ____ normal weather, they will raise the output by another 10 percent.A) Given B) If C) Even if D) On condition that13. The football player reacted ____ the judge’s decision by withdrawing from the match.A) on B) to C) against D) by14. The returns in the short ____ may be small, butover a number of years the investment will bewell repaid.A) interval B) range C) spanD) term15. His statement is ____ his previous attitude to the subject.A) in the light of B) in the course of C) in place D) in line withUnit 10T e s t Y o u r s e l f-----M u l t i p l e C h o i c e1.T h e r i s i n g o f p r i c e s w i l l____o f f d e m a n d s f o rp a y i n c r e a s e s.A)t r a i l B)s w i t c h C)t r i g g e rD)n u d g e2.O n e o f t h e a t t r a c t i v e f e a t u r e s o f t h e c o u r s e w a st h e w a y t h e p r a c t i c a l w o r k h a d b e e n____w i t h t h e t h e o r e t i c a l a s p e c t s o f t h e s u b j e c t.A)i n v o l v e d B)i n t e g r a t e d C)i n v e s t e d D)i n s t r u c t e d3.P a r e n t s’v i e w s i n f l u e n c e t h e i r c h i l d r e n’s____o f t h e w o r l d.A)i n s i g h t s B)p e r c e p t i o n s C)b a n n e r s D)p o r t r a i t s4.W h e n c o n s t r u c t i o n c a n b e g i n d e p e n d s o n h o w s o o n t h e____o f t h e r o u t e i s c o m p l e t e d.A)c o n v i c t i o n B)o r i e n t a t i o n C)c o n v e yD)i d e n t i t y5.T h e g o v e r n m e n t____a h e a v y t a x o n t o b a c c o, w h i c h a r o u s e d o p p o s i t i o n f r o m t h e t o b a c c oi n d u s t r y.A)p r o n o u n c e d B)c o m p l i e d C)D)p r e s c r i b e d6.T h e p o s t-W o r l d W a r I I b a b y____r e s u l t e d i n a 43%i n c r e a s e i n t h e n u m b e r o f t e e n a g e r s i n t h e 1960s a n d1970s.A)b o o s t B)p r o d u c t i o n C)b o o m D) p r o s p e r i t y7.H e n r y w e n t t h r o u g h t h e d o c u m e n t s a g a i nc a r e f u l l y f o r f e a r o f____a n y i m p o r t a n td a t a. A)re l a y i n g C)d e l e t i n g B)o v e r l o o k i n gD)r e v e a l i n g8.H e c o m p l e t e l y____h i s f a m i l y a n d m a k e s a l l t h e d e c i s i o n s.A)p r e s i d e s C)o p e r a t e s B)o c c u p i e s D)d o m i n a t e s9.A d a r k s u i t i s____t o a l i g h t o n e f o r e v e n i n gw e a r.A)p r o p e r B)s u i t a b l e C)f a v o r a b l eD)p r e f e r a b l e10.L i g h t n i n g i s a____o f e l e c t r i c a l c u r r e n t f r o m ac l o ud t o t he g r o u n d o rf r o m o n e c l o u d t o a n o t h e r.A)r u s h B)r a i n b o w C)r a c k D)r i b b o n11.I c a u g h t a____o f t h e t a x i b e f o r e i t d i s a p p e a r e da r o u n d t h e c o r n e r o f t h e s t r e e t.A)v i s i o n B)g l i m p s e C)l o o k D)s c e n e12.M a n y h o u s e s c o u l d b e w a r m e r i f t h e y w e r e____s o t h a t t h e h e a t i s n o t l o s t.A)i n s u l a t e d B)s i m u l a t e d C)s t i m u l a t e dD)r a d i a t e d13.A l t h o u g h h e h a s h a d n o f o r m a l e d u c a t i o n h e i s o n e o f t h e____b u s i n e s s m e n i n t h e c o m p a n y.A)n a s t i e s t B)s h r e w d e s t C)a l e r t e s tD)s t e r n e s t14.T h e l a w y e r a d v i s e d h i m t o d r o p t h e____,s i n c eh e s t a n d s l i t t l e c h a n c e t o w i n.A)e v e n t B)i n c i d e n t C)c a s e D)a f f a i r15.S o m e t i m e s c h i l d r e n h a v e t r o u b l e____f a c tf r o m f i c t i o n a n d m a y b e l i e v e t h a t s u c h t h i ng s a c t u a l l y e x i s t.A)t o s e p a r a t e B)s e p a r a t i n g C)f o rs e p a r a t i n g D)o f s e p a r a t i n g。