a、探究态度 b、探究途径 c、探究的基础 d、得出结论的过程 e、宣布结论
①观察、实验、调查____
②提出问题、做出假设____
③推理、判断____
④实事求是____
⑤表达、交流____
Bill doesn't like the sunglasses in the ad because they can't __________ the sun well.