Unit 9 Learning 课前导学(含解析，共4份)—高一英语北师大版(2019)必修第三册

Unit 9 Learning Lesson 3 Epidemics Explained—高一英语北师大版（2019）必修第三册课前导学 一、重点单词 n. 童年 _____ n. 直升机 _____ vt. 出版；发表；刊登 _____ n. 曲线，弧线 _____ adj. 适时的；及时的 _____ n. 细胞 _____ adv. 定期地 _____ n. 记忆 _____ n. 技巧，手法 _____ 二、重点短语 情感联结 _____ 第一次 _____ 结果 _____ 过目不忘的记忆 _____ 对……感到好奇 _____ 三、知识讲解 This is because when we experience things for the first time, we often have strong feelings of fear or excitement. 这是因为我们第一次经历事物时，常常会产生强烈的恐惧感或兴奋感。 because引导表语从句 句子中because引导表语从句，在表语从句中又包含了一个when引导的时间状语从句。excitement n. 兴奋，激动 The news caused great excitement among her friends. 这消息使她的朋友们兴奋不已。 excitement的其他变式及常见用法： excite vt. 使兴奋；刺激；使紧张不安 excited adj. 兴奋的；激动的 exciting adj. 令人兴奋的；令人激动的 be excited to do sth 做某事很兴奋/ 激动 be excited about/ at/ with sth 对某事感到兴奋 In some science fiction movies, the music and special effects can really excite audiences. 在一些科幻电影中，音乐和特效确实能让观众兴奋。 Are you excited about your holiday 你对你的假期感到兴奋吗？ He said he was excited to return to San Diego. 他说他很高兴能回到圣地亚哥。 四、基础练习 1.Keys should _____ (period) be changed. 2.There are special _____ (arrange) for people working overseas. 3.Her _____ (promote) to Sales Manager took everyone by surprise. 4.Not one in one hundred children exposed to the disease _____ (be) likely to develop it. 5.The _____ (flexible) of distance learning would be particularly suited to busy managers. 6.The patient is picking up after the _____(time) operation. 7.As far as I know, everyone is content with this new _____(arrange). 8.Jack was working in the lab when the power cut _____(occur). 9.If it _____(be) not for the support of the teachers, the student couldn't overcome her difficulties. 10.Consequently, she succeeded in making a kind of candy only using _____(nature) sweeteners, which can reduce oral bacteria. New research by Northwestern University is the first to document the effect reactivating (重新激活) memories during sleep has on face-name learning. The researchers found that the recall of people's names improved significantly when memories of newly learnt face-name connections were reactivated while they were sleeping. The key to this improvement was uninterrupted (不间断的) deep sleep. "It's a new and exciting finding about sleep, because it tells us that the way information is reactivated during sleep to improve memory storage is connected with high-quality sleep. That is, targeted memory reactivation of face-name learning depends on enough and uninterrupted slow-wave sleep, "said the research leader Nathan Whitmore. A study was conducted on 24 participants, aged 18 to 31, who were asked to memorise the faces and names of 40 pupils from a Latin American history class and another 40 from a Japanese history class. When each face was shown again ... ...