货物进出境起到最终办结海关手续止的期限，是海关对监管货物的监管期限。
参考答案：对
按要求写句子
1. These are his sisters.(改为一般疑问句,并作肯定回答)
_______ _______his sisters?
Yes,_______ _______.
2. Those are my friends.(改为否定句)
_______ ________ _________my friends.
3. Those are your photos. (改为单数句)
_______ _______your ___.
4. This is my family photo. (改为同义句)
This is_______ ________ ________my family.
表示暴露人群中的发病归因于暴露成分占全部发病的百分比
A．RR B．AR C．AR% D．OR E．PARP
