I.词汇运用：用所给词汇的正确形式填空（每空2分，共30分）
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attractive, climate, be willing to, construction, goal, be connected with, huge, industrial, inhabitants, make progress, location, polluted, make great efforts, reduce, vast, make sure
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1. The wheat doesn’t grow in the south, because the________ and soil aren’t suitable for its growth.
2. Many European countries are developed ________ nations.
