内容正文:
重点词汇精讲精练
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第一部分:讲
billion n.十亿
(P60) How many billion people speak the UN' s official languages as their native or second language?
有几十亿人把联合国的官方语言作为他们的母语或第二门语言?
They have spent billions of dollars on the problem.
billionaire n. 亿万富翁 two billion people: 二十亿人
billions of 几十亿,数以十亿计 a few billion 几十亿
dozen(十二),score(二十),hundred(百),thousand(千),million(百万), billion(十亿)
之前有确切的数字时,用单数形式;没有确切的数字时,用复数形式,而且多和of连用。
two dozen eggs两打鸡蛋 dozens of eggs几十个鸡蛋 five hundred people五百人
hundreds of people数百计的人 three billion years 30亿年 billions of years数十亿年
【讲练通关】
The stars must have formed ________________ years ago.
这些恒星一定形成于100亿至150亿年前。
The Galaxy consists of ____________ stars. 银河系由1千亿颗恒星组成。
Our immune systems are killing ____________germs right now.
我们的免疫系统正在杀死数以十亿计的细菌。
KEY: 10 to 15 billion 2.100 billion 3. billions of
native adj. 出生地的;本地的;土著的 n. 本地人
How many million people speak the UN’s official languages as their native or second language?
有十几亿人把联合国的官方语言作为他们的母语或第二门语言?
citizen: 指拥有某国国籍或有某地区合法身份的人,即公民。
civilian: 指相对于军人或官员的平民百姓。
inhabitant: 最普通用词,一般指常住居民。
resident: 多指长期居住或暂时居住的民民,有时也指旅居者。
native: 指土生土长的本地居民。
搭配扩展:
be native to (动植物)原产于(某地)
native land/country/language故乡/ 祖国/ 母语
n. 本地人(=local)→复数 natives
a native of 生于…的人;原产于……的动植物
【词群关系户】nature natural nation national nationality
The researchers say the tiger is native to India. 研究人员说这种虎原产于印度。
She speaks English like a native. 她的英语说得和本地人一样。
The kangaroo is a native of Australia. 袋鼠是产于澳大利亚的动物。
Australians are proud of their native wildlife. 澳大利亚人为他们的野生动物感到骄傲。
Native English speakers can understand each other even if they don’t speak the same kind of English.
以英语作为母语的人,即使他们所讲不是同一种英语,他们也能彼此听懂。
China is our native country, and Chinese is our native language.
中国是我们的祖国,汉语是我们的母语。
【讲练通关】
The giant panda is native ________ China.
Her uncle is a native ________ Shanghai.
同义句改写
Chinese is our mother tongue while German is theirs.
→ Chinese is ________ ________ _______