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当前学科：高中地理
题目：
题干
读我国南方某农村生态农业试验场生产模式图，回答下列小题。
该村大田农业的主要肥料是（）
该地农民使用沼气作为燃料，对环境的影响是（）
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Write down the numbers of the topic sentences in the following passages.①At the beginning of a writing course, many students earn low grades because they are inexperienced writers. ② They simply don’t know how to write an effective essay, and in the process of learning to do so, they make mistakes --- and low grades. ③Such grades affect the students’ confidence and morale, making writing an unpleasant task associated with anxiety and failure. ④As a result, students are discouraged; ⑤instead of working seriously on their writing, they spend time worrying about the easiest way to earn a better grade on the next paper--- usually by writing “safe” papers that are simple and correct but lacking in thought. ⑥Therefore, the assigning of traditional grades in a freshman writing course often works against the purpose of the course --- to help students learn to write better.
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行颈、胸手术后，病人应采取的体位是（）.
疾病的分布可分为人间分布，地区分布及时间分布，下列哪一项不属于人间分布。（）
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材料货物招标进行评标时，采用技术简单或技术规格、性能、制作工艺要求统一的货物，一般采用（）进行评标。