与put连用的介词很多，一般来讲on与off是一对相反的意 义的介词，如： turn on (打开)，turn off(关上)，穿衣服是put on，但脱衣服却只能用take off,而put o ff是推迟、使某人下车、关掉之意，如： They put off the exam because t he national holiday. (因国家假日而推迟考期。)Could you put me off at the Town Ha ll. (请在市政厅让我下车。)Please put off the wireless before you leave. (走之前 请关掉无线电。)
［误］ She put off her red dress and put on the green one.
［正］ She took off her red dress and put on the green on e.
［析］ 与put连用的介词很多，一般来讲on与off是一对相反的意 义的介词，如： turn on (打开)，turn off(关上)，穿衣服是put on，但脱衣服却只能用take off,而put o ff是推迟、使某人下车、关掉之意，如： They put off the exam because t he national holiday. (因国家假日而推迟考期。)Could you put me off at the Town Ha ll. (请在市政厅让我下车。)Please put off the wireless before you leave. (走之前 请关掉无线电。)
单词：national的近义词、反义词、形近词辨析
city/citizen/cottage/castle/town/downtown/village/villager/province/state/federal/country/nation/national/nationality/international
记忆：
1. city n. 城市 Chengdu is a city you will hesitate to leave once you come to it. 成都是一座你来了就不想走的城市。
2. citizen zen, 音似“人”， citizen n. 城市人，公民 Every citizen enjoys the same rights. 每个公民都享有同样的权利。
3. cottage n. 村舍, 小别墅 The boy lives in a lonely cottage 那男孩居住在一间偏僻的村舍里。
4. castle n. 城堡 The nobles in the Middle Age in Europe used to live in a castle. 在欧洲中世纪，贵族们曾经住在城堡里。
5. town n. 城镇 The town of Huayuang will be a vice center of Chengdu. 华阳镇将成为成都市的一个副中心。
6. downtown n. 市中心，繁华区 I don’t want to live in downtown, for it is too noisy. 我不想住在市中心，因为那里太闹杂了。
7. village n. 村庄 The peasants live together in the village.农民们一起生活在村里。
8. villager n. 村民 The villagers here are very kind and warm-hearted.村民们善良而热情。
9. province n. 省 Sichuan is a populous province.四川省是一个人口大省。
10. provincial adj. 省级的 Mr. Li has won several provincial rewards. 李老师获得过几项省级大奖。
11. state n. 州， 国家（侧重指政权） How many states is the United States made up of? 美国由多少个州组成的？
12. federal adj.联邦的, 联合的. A federal government may be suitable for some places, but it can’t be fit for every place.一个联邦政府可能对某些地方来说是合适的，但并不是每个地方都合适。
13. country n. 国家（侧重指国土），乡下 Everyone should love his own country. 每个人都应爱自己的祖国。
14. nation n. 国家，民族 Chinese are a hardworking as well as peace loving nation. 中华民族是一个勤劳而热爱和平的民族。
15. national adj. 国家的，全国的 She hopes to win the national English contest.她希望能赢得这次全国英语比赛。
16. nationality n. 国籍 I couldn’t understand why some people give up their own nationality and try to receive a foreign nationality. 我不明白为什么一些人要放弃自己的国籍而要设法获得外国国籍。
17. international inter-, 在……之间的 adj, 国际的 Force never means everything throughout the human history. 在整个人类史上，武力从来不是万能的。
另类阅读：
The downtown people in an international city are not all citizens of the same nationality. They come from different countries. Some are nobles from castles in the states while some were villagers out of cottages from different provinces.
轻松一刻
TEACHER: Ellen, give me a sentence starting with "I".
ELLEN: I is...
TEACHER: No, Ellen. Always say, "I am."
ELLEN: All right... "I am the ninth letter of the alphabet."
与单词：national 相关的例句或者名人名言
She was elected as a representative of the National People's Congress.
她被选为人大代表。
The president is dealing with the national affair.
总统正在处理国家事务。
The national flag of Italy has three colours - green, white and red.
意大利国旗有三种颜色——绿色、白色和红色。
This red maple leaf is the national symbol of Canada.
这片红枫叶是加拿大的国家象征。
The national news comes before the international news.
国内新闻在国际新闻之前播出。
※Business underlies everything in our national life, including our spiritual life, Witness the fact that in the Lord's prayer the first petition is for daily bread, No one can worship God or love his neighbor on an empty stoach.Woodrow Wilson. American President生活包括精神生活的基础。不容置疑的事实是，在主祷文中向上帝祈求的第一件事是让我们天天有面包。没有人能饿着肚子敬奉上帝或热爱他的邻居。 美国总统 威尔逊 W.
※If national pride is ever justifiable or excusable it is when it springs, not from power or riches, grandeur of glory, but from convicton of ntational innocence, iformation , and benevolence.——John Adams, American presidnet 如果说民族自豪感历来无可非议和情有可原，那么，这种自豪感必定不是来自权势和财富，不是来自豪华和荣耀。而且来自坚信民族的纯真、见识和仁爱。美国总统 亚当斯.J.
※The best cure for the national economy would beeconomy.Ashoey Cooper, British novelist——拯救国家经济的最好办法就是节约。英国小说家 库珀 A
