High efficiency unties the method experience that circular functions inscribes in high school mathematics, good Bonus.
高中数学中高效率解三角函数题的方法经验, 好了加分.
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"It unties the hands of the pharmaceutical制药的industry so that they can begin treating the disease and not just the side effects," he said.
2017年12月四级真题（第二套）阅读 Section C