中型货船货舱区的结构一般采用混合骨架式，请问哪些部位采用纵骨

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问题问答题简答题

中型货船货舱区的结构一般采用混合骨架式，请问哪些部位采用纵骨架式，哪些部位采用横骨架式？

答案

参考答案：

中型货船货舱区一般采用混合骨架式结构。船底和上甲板采用纵骨架式结构，舷侧和下甲板采用横骨架式结构

填空题

根据句意和首字母填入补全单词。

1. I don't b_______ he can work out this problem.

2. Don't talk loudly, your father is sleeping at the m_______.

3. It's raining outside. Don't leave u_______ it stops.

4. He was very poor before, but now his life is i_______

5. I'm sorry to h_______ that you are ill.

6. You shouldn't study l_______,when you are tired.

7. He is weak in English. He needs to i _______ it.

8. —Sorry, Mr Li. I arrive l_______ for class again.

—It doesn't m_______

9. Winter is coming. It's g_______ colder and colder outside.

10. —May I speak to Tom?

—Wait a m_______,please.

11. Oh, d_______! I think I lost my way.

填空题

四显示自动闭塞区段通过信号机显示一个绿色灯光和一个黄色灯光，准许列车按规定速度运行，要求注意准备减速，表示前方又（）闭塞分区空闲。