（一） Can you imagine how you would feel if you fell dangerously ill and could not reach or call a doctor? Millions of people 71 the world are in this unfortunate 72 , living in distant places 73 there are no railways, no proper roads and no telephones. Thousands of 74 are lost every year 75 could have been saved if medical attention 76 in time. 77today help could be brought quickly and easily 78 many of these people 79 full advantage was taken 80 the aero-plane. 81 country has proved this 82 than Australia. The Australians 83 greater use of the aero-plane than any 84 people in the world. In no other country 85 the total number of miles flown by the 86 person so high. In fact, it has been 87 that Australians jump into planes 88 people in other countries jump into trains and buses. It is not surprising, 89 , that Australia should have been the first country 90 a Flying Doctor Service. 71. A. on B. through C. all over D. within 答案：C。all over the world：在世界上，固定搭配。 72. A. society B. world C. way D. position 答：D。成千上万的人都在这不幸的处境中，position ；处境，状况。That is difficult for a person in my position.那样做对于处在我这种地位的人来说是困难的。We are in a position where we may lose a large sum of money.我们目前的处境使我们可能损失一大笔钱。因此只有C的意思最合适。 73. A. where B. because C. although D. which 答案：A。where在定语从句中做状语。 74. A. people B. children C. families D. lives 答案：D。从上下文的意思看是“成千上万的人的生命”。 75. A. when B. in which C. which D. they 答案：C。从语法结构看，这里需要一个定语从句。which 在从句中做主语。 76. A. had been provided B. had been paid more C. was given D. was provided 答案：A。attention 此处的意思是“考虑，关心，照料”，不是“注意，专心的意思，因此不用短语：pay attention to 或give attention to。而且此句是虚拟语气，表示和过去的事实相反，因此选A。 77. A. Even B. But C. Finally D. So 答案：B。从上下文的意思来， 是转折的意思，因此用but。 78. A. from B. with C. in D. to 答案：D。本句的意思是“如果我们能充分利用飞机的优势的话，这种医疗援助就能更快、更容易带给这些人。”因此用介词to，表示给予。 79. A. but B. if only C. and D. unless 答案：B。根据上下文的意思，only if：只有。符合逻辑关系。 80. A. of B. from C. about D. on 答案：A./take full advantage of：充分利用。