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4.自從1997年,一項植樹計劃已使內蒙古九成宮流域變成了綠色家園.
Since 1997a tree-planting programmehas changed the Jiuchengong Valleyinto a green homeland.

分析 自從1997年,一項植樹計劃已使內蒙古九成宮流域變成了綠色家園.

解答 答案:has changed;into
考查漢譯英.change…into…意為"變?yōu)椤?,因句中有時間狀語since1997,用現(xiàn)在完成時態(tài),且主語a tree-planting programme是單數(shù),助動詞用has.

點評 注意英漢之間的差異,英語與漢語之間的一些特殊表達,準確地理解句子、翻譯句子,然后根據(jù)句意及提示完成句子,使句意更通順.

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