Unit 3 Lesson 7 A Famous Inventor要点全析2023-2024学年北师大版九年级英语全册

Unit 3 Lesson 7 A Famous Inventor要点全析 ①He is still famous today because of the Mona Lisa and other well-known paintings. However, not many people know he was also an engineer and an inventor. 因为《蒙娜丽莎》和其他著名的油画，他现在仍然很有名。然而，不是很多人知道他也是一位工程师和发明家。 要点Ⅰbecause of 意为“因为，由于”，其后一般跟名词、代词或动名词。 · He didn't go out to play because of the heavy rain. 因为大雨，他没有出去玩。 【知识拓展】 because 为连词，意为“因为”，引导原因状语从向，后跟句子，可以用来回答以why开头的问句。 （湖北襄阳中考） ——Did you have a sports meeting yesterday? ——No, we didn't. It was put off _____ the heavy rain. A. instead of B. because of C. as for D. across from 解析：句意：“你们昨天举行运动会了吗？”“没有，我们没有举行。因为大雨运动会推迟了。”instead of 代替；because of 因为;as for 关于；across from 在对面。由句意及各选项含义可知选B。 要点Ⅱhowever 用作副词，意为“然而，可是，不过”，多用在向中，有时也放在句首或句末。在句中时，however 前后都要用逗号隔开，在句首时其后要用逗号，在句未时其前要用逼号。 · There are many traditional folk stories about this festival. However. most people think that the story of Change is the most touching 关于这个节日，有很多传统的民间故事。然而，大多数人认为，嫁城的故事是最感人的。 · Tony was feeling bad. He went to school，however. 托尼感觉不舒服，但他仍然去上学了。 ②They included plans for an adding machine, bridges as well as drawings of musical instruments, flying machines and machines for war, such as guns. 它们包括乐器、飞行器和战争机器,如枪的绘图，也包括一个计算器和桥梁的设计图。 要点as well as 意为“也”，可用来连接两个并列的成分，如名词、形容词等，但强调的重点在前面。 · I am good at maths as well as English. 我擅长英语，也擅长數学。 · He likes reading as well as dancing. 他喜欢跳舞，也喜欢读书。 【知识拓展】as well as 连接两个并列成分作主语时，谓语动词在人称和数上与前者一致。 Tom as well as his parents has been to China. 汤姆和他的父母去过中国。 3... they were only tested hundreds of years later. …所以数百年后它们才得以验证。 要点 hundreds of 意为“数百的，成百上千的”。 · There are hundreds of workers in this factory.这家工厂有数百名工人。 【知识拓展】 ①hundred, thousand, million, billion等词用来表示概数时，要与of 连用，此时其后必须加-s、of后要接复数名词。 Thousands of visitors have come to Hangzhou in the last two weeks. 在过去两周有成千上万名游客来到杭州。 ②hundred, thousand，million，billion 等词前西有具体数字修饰时，要用单数，此时表示确切的数目。 There are about six hundred students in the school. 这所学校有大约600名学生。 （贵州安顺中考）It took _____ people three months to build this great building. A.