单词：controls resistance
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有声名著之双城记 CHAPTER X Two Promises MORE months, to the number of twelve, had come and gone, and Mr. Charles Darnay was established in England as a higher teacher of the French language who was conversant with French literature. In this ag
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Shale gas extraction 页岩天然气开采 The need to be seen to be clean 天然气是清洁能源吗？ Natural-gas production is booming, but its green image is in question 天然气生产蒸蒸日上，但它的清洁能源形象却受到质疑 M
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