根据句意和首字母提示完成单词。

1.I think Ding Zhaozhong is an o _______  scientist.

2.My aunt didn't go to the park. My cousin didn't go  there,e _______.        .

3. Bettina failed her test,so she was terribly u_______.

4. All students go to visit the Great Wall e_______Sam.

5.I have enough money to buy the computer,because it's  i_______.

根据《U13P500》，信用证项下单据应在信用证效期和交单期内向银行提交。如果信用证对交单期未作规定，则交单期不得迟于运输单据日期后的15天，并且不得迟于信用证的效期。( )