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Long long ago, there were many trees on the mountains. In order to build houses and grow crops, people cut down as many trees as they could. Soon all the trees have gone. The green hills have changed into wasteland. As a result, sandstorms struck us from time to time. A lot of rich land has changed into desert, leaving only sand. We suffered a lot from this. Now people have realized this and they go to the hill to plant trees. In order to stop the wind from blowing the earth away, we have planted a lot of trees. We still need to work harder to protect the environment.
其他题答题1-5 ACCAC 6-10 BABAB 11-15 CABBB 16-20 CBBAB 21-25 ABCAB
26-30 BABBD 31-35 ACCAD 36-40 CDCCA 41-45 CDDAB
46-50 CBADB 51-55 ACBDD 56-60 DCABD 61-66 CACCCD
67-69 CAC 70-73 BCCB
74. have , money 75. and, he
76. 十年后，他的父亲不再是从前的样子。
77. To provide man with food, wood and other products
78. To Help to prevent drought and floods
79. who have walked a long way
80. cutting trees down in large number
81. agreement 82. recycling 83. importance 84. difficulties 85. pouring 86. developed
87. Have you taken your temperature？
88. How long have you been like this？
89. You’ve got a cold.
90. Is it serious?
91. How often do I have to take it?
其他题答题1-5 ACCAC 6-10 BABAB 11-15 CABBB 16-20 CBBAB 21-25 ABCAB
26-30 BABBD 31-35 ACCAD 36-40 CDCCA 41-45 CDDAB
46-50 CBADB 51-55 ACBDD 56-60 DCABD 61-66 CACCCD
67-69 CAC 70-73 BCCB
74. have , money 75. and, he
76. 十年后，他的父亲不再是从前的样子。
77. To provide man with food, wood and other products
78. To Help to prevent drought and floods
79. who have walked a long way
80. cutting trees down in large number
81. agreement 82. recycling 83. importance 84. difficulties 85. pouring 86. developed
87. Have you taken your temperature？
88. How long have you been like this？
89. You’ve got a cold.
90. Is it serious?
91. How often do I have to take it?
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