2024年人教版中考二轮复习课件 专题4　数词

专题四　数词 1.语法填空。 根据下面短文内容和提示,在短文的空格处填上一个语法最恰当的词,使短文完整、通顺。 Here I am in Beijing! I arrived in Beijing by air on August　①　(two). I came to China for the first time. I was so attracted by its rich culture. It has a history of about five 　②　years. It covers an area of 9.6 　③　 square kilometers and about one third of it is land, which is the 　④　 largest country in the world. China consists of 　⑤　 nationalities (民族), among which the Han Ethnic Group is the largest, making up 94% of the whole.   I went to the Great wall at f　⑥　. It was built in the 　⑦　(seven) century BC and prolonged in Ming and Qing dynasties. It was used to protect against millions of enemies in the past. When I was standing on the top of the Great Wall, I felt as if I were in ancient days. I could see many laborers working very hard. How could they finish this extremely difficult task by hand? So, it is called 　⑧　 of the eight wonders of the world.  ① second　　　 ② thousand　　　 ③ million　  ④ third  ⑤ fifty-six  ⑥ first　  ⑦ seventh  ⑧ one　  2.知识回顾。 (1)短文中,加黑及填写的单词是 数词　,表示 数目　多少或 顺序　先后;数词与不定代词用法相似,其功能相当于名词或形容词,在句中可作主语、宾语、表语、定语和同位语等。  (2)数词可分为 基　数词(如空格②、③、⑤、⑧)、 序　数词(如空格①、④、⑥、⑦)、 小　数(如文中的9.6)、 百分　数(如文中的94%)和 分　数(如文中的one third)。  考点1 数字的构成 (一)基数词:表示数目或数量的多少 1.0—12需单独记忆 0-zero　 1-one　 2-two　 3-three　 4-four 5-five　 6-six　 7-seven　 8-eight　 9-nine 10-ten 　 11-eleven　 12-twelve 2.13—19的词尾都是teen 直接+teen:14- fourteen　　16- sixteen　　  17- seventeen　　 19- nineteen　  单独记忆:13- thirteen　　 15- fifteen　　  18- eighteen　  3.20以上的整十的基数词均以ty结尾 直接+ty:60-sixty　70-seventy　90-ninety 单独记忆:20- twenty　　 30- thirty　　  40- forty　　 50- fifty　　 80- eighty　  4.非整十数“几十几”要加连字符“-” 23- twenty-three　　　 48- forty-eight　  97- ninety-seven　  5.“几百几十”或者“几百几十几”在“百”后加and 156- one hundred and fifty-six　  509- five hundred and nine　  6.四位数或者四位数以上的基数词的拼写规律 从右往左每三位加一个逗号,第一个逗号读作 thousand　,第二个逗号读作 million　,第三个逗号读作 billion　,hundred后莫忘 and　。  3,610- three thousand six hundred and ten　;  94,295- ninety-four thousand two hundred and ninety-five　;  (二)序数词: