读某地等高线地形图（单位：米），回答问题。
B处的地形部位是（）
参考答案：鞍部
解析：B处位于两个山脊和两个山谷之间，地势较平坦，为鞍部。
根据句意和首字母填入恰当的词
1. We were completely in the d __ about his movements.
2. Her answer is r_____.
3. If you want to s __ . money, you had better buy second-hand books.
4. I w____ about the exam tomorrow because it's very difficult.
5. I used to eat c____ all the time. It's bad for my teeth.
涉及设备工程的保险合同一般可以分为( )。
A．财产保险合同
B．人身保险合同
C．财产保险合同和安全保险合同
D．财产保险合同和人身保险合同
