77. A. outside B. as C. except D. like
四个介词无任何相同之处,意思差别很大,根据a small area和 town city之间的列举关系,答案应是D。
③ A geographer might be described __85_ one who observes, records, and explains the differences between places.
85. A. for B. as C. to D. by
表示作为的介词是as。
④ They read over the questions __83__ trying to answer any of them.
83. A. after B. besides C. before D. against
阅读问题和回答问题之间所存在的是时间上的前后问题,自然是先阅读问题后回答,所以答案为C。
⑤ People see the sun moving __80__ the sky as morning turns to night, and the earth seems stationary that is happening.
80. A. around B. across C. on D. above
太阳由东向西划过天空,四个选项中只有B,能表示从一边到另一边,答案应是B。
7. 根据代词在上下文中的替代作用选择适当的代词
就代词而言,重点是看其在上下文中的替代作用,同时要特别注意that,one等的运用。如:
① The foreign research scholar usually isolates __76_ in the laboratory as a means of protection.
76. A. himself B. him C. oneself D. one
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