状态空间表达式

[00:03.92]The Senate is one of the two lawmaking bodies of the United States Congress. [00:09.72]The other is the House of Representatives. [00:12.83]Both have about the same amount of power. [00:16.48]Both the Senate and the House of Representatives

发表于:2018-12-03 / 阅读(40) / 评论(0) 分类 美国英语听力80篇

ANNOUNCER: Welcome to THE MAKING OF A NATION -- American history in VOA Special English. The history of the United States Constitution is a long and interesting story that we have been telling now for several weeks. Today w e continue with the conve

发表于:2018-12-07 / 阅读(22) / 评论(0) 分类 VOA慢速英语2008年(二)月

ANNOUNCER: Welcome to THE MAKING OF A NATION -- American history in VOA Special English. Detail from ''Washington as Statesman at the Constitutional Convention,'' by Junius Brutus Stearns, 1856 In May of seventeen eighty-seven, a group of America's

发表于:2018-12-15 / 阅读(16) / 评论(0) 分类 VOA慢速英语2008年(二)月

What Is the US Senate? The Senate is one of the two parts of the United States Congress, the legislature that makes the countrys laws. The Congress has two parts because the men who wrote the U.S. Constitution could not agree on details of the new fo

发表于:2019-01-08 / 阅读(31) / 评论(0) 分类 2018年VOA慢速英语(十二)月

THE MAKING OF A NATION - American History Series: Debating Slaves' Part in Representation of States The constitutional convention agreed that states with bigger populations would have more members of Congress. But would slaves be counted in that pop

发表于:2019-01-11 / 阅读(30) / 评论(0) 分类 VOA慢速英语2008年(三)月

Explanation: The government of the United States is a representative democracy, which means that citizens vote for people who then represent them in the government, making laws and decisions that reflect (or are the same as) what the citizens want. C

发表于:2019-02-26 / 阅读(96) / 评论(0) 分类 美国精神