3ay-3by=______；a 2 -14a+49=______．...

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3ay-3by=______；a 2 -14a+49=______．

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【单选题】I did not attend the lecture by Prof. Jackson. I ____ but I ____ all this morning.

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【判断题】插电式混合动力汽车享受国家新能源汽车购车补贴。( )

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【单选题】I did not attend the lecture by Pro. Jackson. I ____ but I ____ all this morning. 2011

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could,have been washing

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could have,had washing

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个别化

交互性

信息形式多样性

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【单选题】I did not attend the lecture by Pro. Jackson. I ____ but I ____ all this morning.

would; have washed

could; have been washing

would have; have been washing

could have; had washed

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【单选题】宿迁高师学生餐厅怎么样?

环境好

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【单选题】宿迁高师学生餐厅环境怎么样?

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【单选题】I did not attend the lecture by Pro. Jackson. I ____ but I ____ all this morning. 2011

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【单选题】I did not attend the lecture by Pro. Jackson. I ____ but I ____ all this morning.

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