21. Until then, his family _D_ from him for six months. A didn't hear B hasn't been hearing C hasn't heard D hadn't heard until then 直到那时。 hear from sb. 收到某人的来信，得到某人的消息。 22. The conference _B_ a full week by the time it ends. A must have lasted B will have lasted C would last D has lasted 见到介词by引导的时间状语，谓语动词就应是完成时态。 24. Physics is _B_ to the science which was called natural philosophy in history. A alike B equivalent C likely D uniform be alike to sb. 对于某人来说均是一样的。 be equivalent to 相当于。 All tastes are alike to him. 所有味道对他来说都一样。 27. The new appointment of our president _A_ from the very beginning of next semester. A takes effect B takes part C takes place D takes turns semester n. 学期； president n. 大学校长； take effect 生效，发生效力； take part in 参与，参加； take place=happen 发生； takes turn to do sth. 轮流做某事。 28. The president made a _A_ speech at the opening ceremony of the sports meeting, which encouraged the sportsmen greatly. A vigorous B tedious C flat D harsh ceremony n. 典礼，仪式；表达在某个典礼上介词用at。 vigorous adj. 强劲有力的，强有力的。 harsh adj. 刺耳的，令人不愉快的； flat adj. 平淡无奇的； tedious adj. 冗长无聊的。 29. It is useful to be able to predict the extent _C_ which a price change will affect supply and demand. [extent to] A from B with C to D for 30. Finding a job in such a big company has always been _D_ his wildest dreams. A under B over C above D beyond beyond one’s wildest dreams 做梦也想不到。 31. It is not easy to learn English well, but if you _C_, you will succeed in the end. A hang up B hang about C hang on D hang onto hang on 坚持，继续下去。 32. It is reported that _C_ adopted children want to know who their natural parents are. A the most B most of C most D the most of most单独出现的时候有两种词性要考虑：1 adv. 非常；2 adj. 大多数的。 the most后面加多音节的形容词或副词构成该句的最高级。 most of + 名词，表示这些名词中的大多数。 make the most of 充分利用。 34. _D_ before we depart the day after tomorrow, we should have a wonderful dinner party. [Were they to arrive=If they were to arrive] A Had they arrived B Would they arrive C Were they arriving D Were they to arrive 35. The strong storm did a lot of damage to the coastal villages: several fishing boats were _A_ and many houses collapsed. A wrecked B spoiled C torn D injured collapse vi. 倒塌，坍塌； wreck vt. （船只）遭到破坏。 torn原形是tear，n. 眼泪，vt. 撕裂，撕开。 37. As _B_ announced in today's papers, the Shanghai Export Commodities Fair is also open on Sundays. A being B is C to be D been 注意两个非限定性定语从句的引导词：as, which。 which在做非限定性定语从句引导词时有两个特点： 1 which前要有逗号与前面句子分开； 2 which引导非限定性定语从句指的是前面整句话的内容。 只要引导非限定性定语从句as和which都指一句话内容，区别在于which只能放在它所指那句话的后面，而as可以在前面也可以在后面。
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2008-09-10 
