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第一节：单项填空（共15小题）
从每题所给的A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
21. For sustainable development, the government has decided to give _______ to those energy-conserving and environment-friendly businesses in many aspects.
A. profit B. interest C. preference D. advantage
从每题所给的A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
21. For sustainable development, the government has decided to give _______ to those energy-conserving and environment-friendly businesses in many aspects.
A. profit B. interest C. preference D. advantage
