水泥混拌工岗位职业病危害的风险识别有哪些？
参考答案：水泥混拌工岗位职业病危害的风险识别有水泥粉尘、电磁辐射、有毒气体。
改错。下列每个句子中都有一处错误，请找出并改正。
1. The weather is cool and rain tomorrow.
A B C D
2. The girl in a purple dress is fifth.
3. Yesterday is October 1, National Day.
4. The wind is blowing the tree leaves.
5. How is the weather like?
冲裁模有几部分组成？
