| 1. | The tenure of office of an american president is four years .
美国总统的任期是四年。 |
| 2. | The u.s. president is the chairman of the national security council .
美国总统是国家安全委员会主席。 |
| 3. | John f.kennnedy took his oath as president of the united states .
约翰菲肯尼迪宣誓就任美国总统。 |
| 4. | The president of the united states is the executive head of the government .
美国总统是政府的行政首脑。 |
| 5. | Many american presidents served in congress before they became presidents .
很多美国总统在他们当选之前都在国会任过职。 |
| 6. | When the president of the united states is tried, the chief justice shall preside .
如受审者为美国总统，则应由最高法院院长担任主席。 |
| 7. | The flag denoted the extraordinary fact that an american president was in residence .
这国旗表明了一个非同一般的情况，那一位美国总统下榻在这里。 |
| 8. | I might feel a trifle of compunction if i had to deal with a president of the united states .
要是我不得不和一位美国总统打交道的话，我可能会感到有点内疚。 |
| 9. | Any attempt to understand how the united states is governed today you must begin with an account of president responsibilities at first .
要了解美国今日的施政情形，首先要了解美国总统的职责。 |
