III .Fill in the blanks with words that are often confused. Please write down A or B in the blanks. (15%, 1 point for each) 1. He shows a verypositive ________ to his work. (A. attitude, B. aptitude) 2. Does she show any ________ for music? (A. attitude, B. aptitude) 3. The new law empowered the police to ________ private house. (A. search, B.research) 4. Recent________ has cast new light on the causes of the disease. (A. search, B.research) 5.________ man made himself tools from sharp stones and animal bones. (A.primitive, B. primary) 6. The________ duty of parents is to provide protection for their children. (A.primitive, B. primary) 7.Beethoven and Napoleon were _________. (A. contemporary, B. temporary) 8.Students often find ________ jobs during their summer holidays. (A.contemporary, B. temporary) 9. The scientists are going to ________ the ore for iron. (A. analyze, B. test) 10. He has not ________ the result of the experiment yet. (A. analyze, B. test) 11. This food has a ________ taste, do you think it’s all right? (A. peculiar, B.particular) 12. Is there any ________ color you would prefer? (A. peculiar, B. particular) 13. All in ________ of this proposition please say “Aye”. (A. prefer, B. favor) 14. Beef ________ with leaf. (A. rhyme, B. rhythm) 15. That girl will be a great dancer — she’s got natural ________. (A. rhyme, B. rhythm)