4. During the Thanksgiving season, many stores ________ their hours so people have more time to shop.
(A) decrease
(B) celebrate
(C) extend
(D)contend

30. According to the passage, who are Wadsworth and Sherby? (A)They are metallurgical historians revealing the background of producing Damascus swords. (B)They are metallurgists at Stanford University attempting to produce durable or plastic steel. (C) They are warriors in modern America, who still used Damascus swords in daily-life business. (D) They are crusaders of metallurgy trying to discover ways of making better weapons.

1. If you do want to solve the problem, you should stop ________ and take some action. (A) reviving (B) shifting (C) tripping(D)whining

2. The purpose of this protest is to raise the social ________ of women. (A) status (B) statue (C) statuses(D)statute

3. Psychologists think memories ________ with photos are stronger than those evoked by smells. (A) replaced (B) replied (C) consisted(D)associated

5. I have a very ________ recollection of my great-grandfather, who was an artist, but I can’t really remember him well. (A) explicit (B) vague (C) concrete(D)prominent

6. My sister is in delicate health, and constant illness has had a bad ________ on her study. (A) infect (B) defect (C) effect(D)affect

7. It is important to have goals even if you do not always ________ them. (A) contain (B) compete (C) achieve(D)remove

8. She had a bad accident when she was a child. The ________ have never completely healed. (A) roars (B) reforms (C) scars(D)conflicts

9. ________ your schedule is a good idea, and it can make you work more efficiently. (A) Rearranging (B) To rearranging (C) Rearrange(D)Rearranged

10. A few years ago, Raymond thought phone calls to a cable company ________ by a cable company employee. (A) was answered (B) was to answer (C) were answered(D)were to answer