低压或高压管道系统气密性试验压力（）设计压力。
A、大于
B、等于
C、大于或等于
参考答案：C
选词填空。
1. Jenny usually a sandwich for lunch. ( eat, eats )
2. He never wears . ( dresses, dress )
3. Is that far Beijing? ( in, from )
4. What's your favourite shape, Danny?
I like . ( line, lines )
5. These are . ( woman, women )
什么是个人经营类贷款
