根据我国《保险法》的规定，除法律、行政法规规定可以不保的以外，单位和自然人必须与保险公司订立相应的保险合同。（ ）
参考答案：错
用括号内所给单词的适当形式填空。
1. Have you ever _____ (meet) her?
2. What do you want _____ (do)?
3. Project Hope _____ (build) many schools all over China since 1989.
4. His little brother enjoys _____ (play) football after school.
5. It's easier _____ (learn) a foreign language when you visit a foreign country.
气泵自动泄压阀失效可能导致的后果是什么？
