九年级教材全解unit4.doc

庖丁巧解牛知识· 巧学· 升华巧解生词 million [′mIljn]n. 百万【词析】音析: 元音字母 i 分别读[I] 和[j ]。形析: 形近词 billion (十亿) 义析: the number 1 000 000 【例句】 The building contains two million people. 这座大楼能容纳两百万人。【拓展】 1) million , hundred,thousand 等词前有具体数字或 several 时不加 s 。如: 3 million students 三百万学生; several million 几百万 2) million , hundred,thousand 等词后面加 of 时, million 等词要用复数。如: millions of 上百万的; tens of millions of 千千万万的 research [rI′s (r)t ]n. 研究;调查【词析】音析: 字母组合 ear 读[ (r)]。形析: re -(重,又) + search (搜寻, 查究) 义析: a study of subject,so as to learn new facts 【例句】 They are having a research ofa new subject. 他们正在进行一项新的课题研究。 tie[t aI] n. 领带【词析】音析: 元音字母 i 读[aI ] ,末尾 e 不发音。形析: 形近词 lie (躺) 义析: a band of cloth worn round the neck 【例句】 My father likes red ties though he is old. 尽管我父亲老了,他仍然喜欢红色的领带。 worry [′wr I] n. 烦恼;忧虑【词析】音析: 元音字母 o 读[ ]。形析: 形近词 sorry (抱歉的) 义析: to be or make anxious 【例句】 He has no worry all the time like a child. 他像个孩子一样从来没有烦恼。【拓展】 1 )同根词: worrying adj . 令人担心的; worried adj . 闷闷不乐的 2 )常用词组: worry about 担心;担忧。如: Don ’t worry about me,I can look after myself. 不用担心我,我可以照顾好自己。 be worried about 担心。如: He is worried about his son all the time. 他总是担心他的儿子。 worry doing 着急做某事。如: Don ’t worry trying to find it,it will turn up one day. 不用着急找到它,它会在某一天自己出现的。 exam [I ɡ′ zm]n. 考试【词析】音析: 字母组合 ex读[I ɡz]。形析: 异形词 examination (考试) , 元音字母 a 读[ ]。义析: a spoken or written test of knowledge 【例句】 Did you pass your history exam ? 你历史考试及格了吗?