45.根据文中描述，实验课上充满了笑声和尖叫，学生们可以亲手做实验并观察火焰的颜色，这说明课程很有趣;同时，实验后需要写实验报告，分析实验中的错误并思考如何避免，这又体现了课程的教育性。所以可以认为路易丝夫人的实验课既有趣又有教育意义，答案可以是It ...

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