计算题：有一碳素钢高压管道，工作温度为250℃，工作压力为32MPa。求其水压强度试验压力（[σ]25=112MPa，[σ]=127MPa）。
参考答案：
Read and write. (找出下列句子中的错误，将正确的句子写在横线上)
1. She is a old woman.
2. She name is Amy.
3. Don't is late next time.
4. I haven't find my dog.
5. He reading a story-book.
危机干预有哪些基本的步骤
