When the consumer price index is computed, the base year is always the first year among the years being considered.
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学生在一开始接触互惠式教学时,教师需要参与到提问与讨论中,为学生提供示范与引导。当学生逐渐掌握了这四种阅读策略后,教师就可以慢慢撤出讨论,把主导权交还给学生。
上颌窦是最大的鼻旁窦,在鼻腔侧壁的开口位置比其他鼻旁窦高,故引流最不畅,最易感染。
Like real GDP, investment fluctuates, but it fluctuates much less than real GDP.