按要求作图（图中格子均为边长为1厘米的正方形）a．画一个高为2厘米，底为3厘米的三角形b．画一个高为3厘米，上底为2厘米，下底为4厘米的梯形_刷题宝

题干

按要求作图（图中格子均为边长为1厘米的正方形）

a．画一个高为2厘米，底为3厘米的三角形

b．画一个高为3厘米，上底为2厘米，下底为4厘米的梯形

上一题下一题 0.0难度选择题更新时间:2010-08-03 01:49:51

答案(点此获取答案解析）

解：

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下列能有效促进糖酵解过程的物质是（）

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