71. A) Although B) Since C) Because D) Therefore
72. A) stable B) splendid C) smooth D) complicated
73. A) little B) few C) much D) many
74. A) selections B) separations C) series D) sections
75. A) terrible B) possible C) enjoyable D) profitable
3．固定结构的识别：提高阅读的速度、对于内容有合理的预期、有利于总体把握文章：
either…or…; neither…nor…; too…to…; so…that…; not…until…; hardly…when…; no sooner…than…; not only…but also…
固定结构举例：Test 3
76 geography books focus on a small area 77 a town or city. Others deal with a state, a region, a nation. Or an 78 continent. Many geography books deal with the whole earth. Another 79 to divide the study of 80 is to distinguish between physical geography and cultural geography. The former focuses on the natural world; the 81 starts with human beings and 82 how human beings and their environment act 83 each other. but when geography is considered as a single subject, 84 branch can neglect the other.
76. A) Some B) Many C) Most D) Few
77. A) outside B) except C) as D) like
81. A) second B) later C) next D) latter
2． 搭配：
例如：a. + n.; ad. + v. ; take advantage of….; make use of….等；
3． 动词用法：
1）主谓一致； 2）时态； 3）语态； 4）非谓语动词；
4． 介词用法：
1）介词与名词； 2）介词与动词； 3）介词与形容词；