1. By ________ computation, he estimated that the repais on the house would cost him a thousand dollars.
A. coarse粗糙的'
B. rude
C. rough崎嶇的rough diamond外表粗糙內心善良的人
D. crude的
answer：C
2. Your story about the frog turning into a prince is ________ nonsense.
A. shear剪羊毛
B. sheer完全的純粹的【by sheer chance完全處於偶然】
C. shield盾牌
D. sheet薄片床單
answer：B
3. I could see that my wife was ________ having that fur coat, whether I approved of it or not.
A. intent on熱衷於
B. adequate for
C. short of
D. deficient in de=no 【sufficient足夠的】
approved of同意
account for包含包括
answer：A
4. The ________ runner can run 2 miles in fifteen minutes.
A. common
B. average典型的通常的
C. usual
D. general
A. C. D.同意 - 殺掉
usual和general之間有什麼區別六級不會涉及
answer：B
5. One of his eyes was injured in an accident, but after a ________ opration, he quickly recovered his sight.