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11. Mr. Smith gradually _____ a knowledge of the subject.
A. attained B. achieved C. required D. acquired
D. acquired.
acquired (=gain for oneself by skill or ability, by one's own efforts or behavior) (由技术、能力、努力或行为) 获得; 得到：He has acquired a good command of English language. (他已精通英语。) achieve, vt. 取得 (胜利、成功等) , 实现 (目标、目的等) 。 attain, vt. 达到 (目的等) , 取得 (成就等) ：1) I hope you will attain your object. (我希望你会达到你的目的。) 2) He attained success through hard work.
12. My camera can be _____ to take pictures in cloudy or sunny conditions.
A. treated B. adopted C. adjusted D. reminded
C. adjusted.
adjust (=arrange, put in order or agreement; make suitable or convenient for use) 强调, 调节, 使适应; The body adjusts itself to change of temperature. (身体能自行调节以适应温度的变化。) My eyes have not been adjusted to dark yet. (我的眼睛还没有适应黑暗。) 本句中adjust是不及物动词。I must adjust my watch. It's
slow. (我必须调一下我的表。它走得慢了。)
13. According to the psychoanalyst Sigmund Freud, wisdom comes from the _____ of maturity.
A. fulfillment B. achievement C. establishment D. accomplishment
B. achievement
achievement (=something successfully finished or gained especially through skill and hard work) 取得, 达到, 成就。例如：achievement age智力成熟年龄。fulfillment (=the act of fulfilling or condition of being fulfilled) 履行...
