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可可电台，每期节目一话题，让英语磨练耳朵的同时学到更多有益的小知识，丰富知识的同时受益于生活。
Tips that will help you boost the quality of your sleep.
提高睡眠质量的贴士。
Be Physically Active
让身体活跃起来
Any kind of physical deed that will get your heart rate up will do a great deal of good when it comes to upping the quality of your sleep.
如果要提高你的睡眠质量，任何一种增加心脏跳动频率的身体运动都会起到很大作用。
Do what you love the most - it could be parkour, soccer, weight lifting or even a light afternoon stroll in the park.
做你最喜欢的运动——可以是跑酷、足球、举重，甚至是傍晚在公园里漫步。
But make sure you’re not doing hard-core physical stuff right before bedtime.
但是要保证在睡觉前你做的不是剧烈运动。
【知识点讲解】
a great deal of 大量的； 许多；
例句：
She had placed a great deal of faith in Mr Penleigh.
她对彭利先生极其信任。
This involved the deletion of a great deal of irrelevant material.
这包括删除很大一部分不相关的内容。
Stationary cars in traffic jams cause a great deal of pollution.
交通堵塞中静止不动的汽车产生了大量污染。
make sure 把事情弄清楚，核实或查明某事物； 设法确保出现某事物； 务使
例句：
Make sure the draining board, sink and plug hole are regularly disinfected.
滴水板、水槽和塞孔一定要定期消毒。
Make sure that your meal won't be smothered with white sauce.
千万不要把自己的饭菜上都涂满白汁沙司。
Make sure you join the queue inside the bank.
在银行里一定要排队。
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