美国1787年宪法规定:“合众国不得授予任何贵族爵位，凡是在合众国担任受益职务……非经国会同意，不得从任何国王、君主或外国接受任何种类的……官职或爵位。”这一规定旨在（    ）

你知道“年"的故事吗?读句子，标序号。

____ An old man comes to the village．He tells the people in．the village Nian is afraid of the colour red．

____ People use red things and light firecrackers at the Spring Festival every year．

____ Nian is a monster．At the end of every year，he goes into the village and eats people!

____ Nian comes down from the hills．He Sees red paper on the doors and windows．He also sees red firecrackers．

____ People glue red paper on the doors and windows．

____ Nian feels afraid and runs back into the hills．

有关大陆架和大陆坡的说法，正确的是(　　)