填空题 Directions: For each numbered blank in following passage, there are four choices marked A), B), C) and D). Choose the best one and mark your answer on ANSWER SHEET 1 by blackening the corresponding letter in the brackets with a pencil. (10 points) If a farmer wishes to succeed, he must try to keep a wide gap between his consumption and his production. He must store a large quantity of grain __41__ consuming all his grain immediately. He can continue to support himself and his family __42__ he produces a surplus. He must use this surplus in three ways: as seed for sowing, as an insurance __43__ the unpredictable effects of bad weather and as a commodity which he must sell in order to __44__ old agricultural implements and obtain chemical fertilizers to __45__ the soil. He may also need money to construct irrigation __46__ and improve his farm in other ways. If no surplus is available, a farmer cannot be __47__. He must either sell some of his property or __48__ extra funds in the form of loans. Naturally he will try to borrow money at a low __49__ of interest, but loans of this kind are not __50__ obtainable. 41. A) other than B) as well as C) instead of D) more than 42. A) only if B) much as C) long before D) ever since 43. A) for B) against C) of D) towards 44. A) replace B) purchase C) supplement D) dispose 45. A) enhance B) mix C) feed D) raise 46. A) vessels B) routes C) paths D) channels 47. A) self-confident B) self-sufficient C) self-satisfied D) self-restrained 48. A) search B) save C) offer D) seek 49. A) proportion B) percentage C) rate D) ratio 50. A) genuinely B) obviously C) presumably D) frequently