Reading is an effective method to learn to speak Chinese because the learners can not only learn some words but also understand the meanings in actual context. In addition, the students can also learn some knowledge from it. The following one is provided for practicing reading.
有科学家曾经阐明了咀嚼可以提高记忆力的事实。有学者对记忆力进行了问卷调查，结果表明：一遍读书一边咀嚼的人，比只看书的人多得10%到20%的成绩。据生理学家分析，人有随着大脑活动动嘴的冲动。也就是说，两者的活动是连在一起的。同时，身体的活动也和提高学习效率有关。有教育学家认为，有规律地活动活动身体，听一听悦耳的音乐， 可以激活大脑的敏感度，可以增强记忆力和理解力。只要懂得一点教育学的人都会知道，自己最舒服的姿态会给你带来最高的效率。只有利用自己感觉最舒适的姿势、自己觉得最有兴趣的方法，才能极大地提高学习效率。
After reading it, you need to finish the following questions to test whether you understand it or not. The first question is:
咀嚼可以提高记忆力的原因是：
A. 人有随着大脑活动动嘴的冲动 B. 大脑的活动和口腔的活动密不可分
B. 身体活动可以激活大脑的敏感度 D. 舒服的姿势带来最高的效率
If the students who learn Chinese pay enough attention to the detail in the passage, they may notice the sentence “可以激活大脑的敏感度，可以增强记忆力和理解力” which provide the correct answer for this question.
作者主张学习的时候：
A. 听一听悦耳的音乐 B. 有规律地做活动
C. 一边读书一遍咀嚼 D. 采用最舒服的姿势
The question above is about the writer’s proposal mentioned in this passage. Those students who study Mandarin online should know this passage is about how to improve the efficiency of learning and the writer mentions that “自己最舒服的姿态会给你带来最高的效率”. Therefore, the writer proposes to采用最舒服的姿势.