精练组合二 6 语法填空＋短文改错＋书面表达（课件+word）-2020高考英语【步步高】考前三个月(全国版)

6.语法填空＋短文改错＋书面表达 Ⅰ.语法填空 (2019·山东青岛一模) 话题：睡眠 词数：221 难度：★★ There are many reasons 1. college and university students often fail 2. (get) full nights of sleep.Many American students are away from their parents for the first time when they attend college.They might not be used to having total 3. (free) in how they plan their days and nights.Parties，late night study meetings，or just time spent relaxing with friends—these are all things that cut into college students’ sleep habits. A few years ago，Michael Scullin began teaching 4. science of sleep to psychology students at Baylor University in Waco，Texas.Scullin is an assistant professor at Baylor and the director of its Sleep Neuroscience and Cognition Laboratory.He says his students seemed to enjoy the class and were interested in the material he was teaching.The class 5. (center) round why the body needs to sleep and the physical and mental health problems 6. (cause) by a lack of sleep.This includes difficulty focusing on studies or 7. (control) one’s emotions，and increased risk of many diseases.[来源:Z*xx*k.Com] The United States Centers for Disease Control and Prevention states that adults need at least seven hours of sleep a night to stay 8. (health)．Scullin found students who slept more performed 9. (well) in two different classes,10. he published his findings in two academic publications last November. 语篇解读　这是一篇说明文。短文介绍了导致大学生经常无法获得充足睡眠的原因以及缺少睡眠给大学生带来的危害。 1．答案　why 解析　考查关系副词。分析句子可知，reasons为先行词，在后面的定语从句中作原因状语，所以关系副词为why。故填why。 2．答案　to get 解析　考查动词不定式。fail to do sth.未能做某事，为固定短语。故填to get。 3．答案　freedom 解析　考查名词。total为形容词，修饰名词freedom。故填freedom。 4．答案　the 解析　考查冠词。the science of sleep睡眠科学，the表示特指。故填the。 5．答案　centered 解析　考查动词时态。分析句子可知，此处应为一般过去时。故填centered。[来源:学#科#网Z#X#X#K] 6．答案　caused 解析　考查非谓语动词。分析句子可知，problems与cause在逻辑上是被动关系，所以用过去分词作后置定语。故填caused。 7．答案　controlling 解析　考查动名词。分析句子可知，focusing与controlling为or 连接的两个并列成分。故填controlling。 8．答案　healthy 解析　考查形容词。