调查显示，高中生物教学开展探究性学习面临的主要困难是教学时间不足和实验教学条件不完善等。
A survey shows that the main difficulty in biology teaching of senior middle schools when we have research study is that teaching time is not enough and the experimental condition is not satisfied.
调查显示，高中生物教学开展探究性学习面临的主要困难是教学时间不足和实验教学条件不完善等。
A survey shows that the main difficulty in biology teaching of senior middle schools when we have research study is that teaching time is not enough and the experimental condition is not satisfied.
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