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上海最大家教平台---嘉惠家教 2万余上海老师任您选（在职老师、机构老师、985学霸大学生应有尽
有 ，+V: jiajiao6767 )
参考答案
1-5： F C D A E
6-13: A D A C C C B A
14-19: F F F T T T
20. helping; 21. happy; 22. better; 23.future; 24sweep/clean 25.comfortable
26-30: Certainly; altogether; jeans; happiness; wishes
31-35: C D A B C
36-40: C B A D D
41-45: C C D D D
46-50: C F E D B
51-55: fifth; laughter; comfortable; decided; more
56. didn’t; put 57. does he 58. Why; did 59. to; make
60. I hope other people will learn from you.
61-66: A A D C C B
67-72: D A B C B D
73. health 74. changeable 75. help 76. worse 77. cold 78. summer
79. Twelve to fourteen meters under the Atlantic Ocean.
80. More than 300.
81. Two years.
82. He used it because it can last for centuries and does not harm the environment.
83. The clear water of the Atlantic Ocean.
84. People will probably understand more about the oceans. ( any reasonable answers will be
accepted)
学科网（北京）股份有限公司上海最大家教平台---嘉惠家教 2万余上海老师任您选（在职老师、机构老师、985学霸大学生应有尽
有 ，+V: jiajiao6767 )
学科网（北京）股份有限公司
