【备考】版高中英语全程复习课件：选修unitahealthylife人教版.ppt

8. take risks（a risk）冒险 (1)at risk 处于危险之中 at all risks=at any risk 无论冒什么险, 无论如何 at the risk of doing sth. 冒着……的危险 run/take the risk of doing sth. 冒着……的风险 (2)risk one’s life 冒生命危险 risk doing sth. 冒险做某事 ①Never put your family at risk. 不要让你的家人处于危险之中。 ②He took/ran the risk of losing his own life and saved my life in the cold river. 他冒着失去自己生命的危险，在冰冷的河水里救了我的命。 ③The war broke out, and many innocent people were __ ___ ____ __ losing their lives. 战争爆发了，许多无辜的民众处于失去生命的危险之中。 ④They knew they risked _____ ________ (arrest)by the enemy. （用所给词的适当形式填空） at the risk of being arrested 9. Your mother tells me that you started smoking some time ago and now you are finding it difficult to give it up. 你妈妈告诉我，你许久之前已经开始吸烟了，而且现在你觉得很难把它戒掉。 该句中“finding it difficult to give it up”为固定句式, 即“find/think/consider/make/feel + it + adj. + to do”，该句式中，it为形式宾语，to do不定式作真正的宾语。 ①We find it difficult to arrive there on time. 我们发现很难按时到那里。 ②Gesture makes it easy for audience to understand his speech. 手势使得听众容易理解他的演讲。 ③I don’t think __ _________ __ _____ a Chinese-English dictionary when traveling to Britain. 我认为到英国去旅行没必要带汉英字典。 it necessary to bring 10. I do hope so because I want you to live as long and healthy a life as I have. 我的确希望如此，因为我盼着你也能像我一样健康长寿。 (1)该句中， “I do hope so”为一种特殊形式的强调。 “do/does/did＋动词原形”构成强调句，意为“确实，的确”，用来加强谓语动词的语气，但须符合以下条件： ①句子是肯定句； ②句子的时态为一般现在时或一般过去时。 ①He did go home yesterday. 他昨天确实回家了。 ②Do be quiet! 务必安静！ (2)该句中“as long and healthy a life as I have”为比较结构，其句式为“as＋adj. ＋a/an＋n. ＋as. . . ”意为“和……一样……” ①I have read as interesting a book as you have read. 我读的书和你读的书一样有趣。 ②The young man hopes to live as simple a life as his grandpa. 这个小伙子希望和他爷爷一样过俭朴的生活。 ③I can’t afford __ _________ __ ___ __ his. 我买不起像他的一样昂贵的小汽车。 as expensive a car as 【想一想】英语中的强调形式有哪些？试列举。 【知识拓展】 英语中常见的几种强调形式 在描写或叙述过程中，有时为了加强语气，增加感情色彩或加强对比，需要改变句子的结构，以突出强调句子中的某些成分，通常采用下列四种方式进行强调。 Unit 3 A healthy life 健康生活 Ⅰ. 单词盘点 根据词性和汉语意思写出词汇 1. _____ (n. vt. ) 滥用；虐待 2. ____