The researchers measured happiness by asking subjects questions like "How often did you feel happy?"
研究人员通过向受试者提出如“你多久感到快乐一次?”等问题来测量快乐。
These included questions from Rwandan students about subjects like drug use, H.I.V./AIDS and girls in school who get pregnant.
VOA: special.2009.11.12
If the goal is to improve education, then one has to ask hard questions Like does a technology actually help?
假如目标是提高教育,那就要问问这样的问题,技术真的有帮助吗?
To ask questions like how much heat is released in a chemical reaction that takes place at constant temperature.
当我们想要知道,当一个化学反应在恒定的温度下发生时,会放出多少热量时。
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