问题
多项选择题
就厂直拨包括下列那些具体形式（）。
A.工厂专用线直拨
B.码头直拨
C.火车直接装车
D.厂批直拨
答案
参考答案：A, B, D
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就厂直拨包括下列那些具体形式（）。
A.工厂专用线直拨
B.码头直拨
C.火车直接装车
D.厂批直拨
参考答案：A, B, D
| 情景对话。根据对话情景和内容，从对话后所给的选项中选出能填入每一空白处的最佳选项。 选项中有两个为多余选项。 | |
| (A journalist talks to the Head Teacher of a new kind of school.) Journalist: Hi! May I ask you some questions? Head Teacher: Sure! Journalist: In what way is your school different from others? Head Teacher: 1_____ A few children are physically disabled and some others have learning difficulties. We have faster and slower learners. Journalist: And is yours the only school like this? Head Teacher: 2_____ Disabled children were usually sent to special schools. They grew up in a different world. Journalist: 3_____ Head Teacher: We realized disabled children had no knowledge of children in ordinary schools. The opposite was also true. But all human beings should grow together. Journalist: Do the slower learners hold up the faster learners? Head Teacher: 4_____ For some classes, they are separated. In other classes they work together. Journalist: 5_____ Head Teacher: Well. The faster become skilled as teachers when helping the slower. Thus the faster learners also do a task more quickly and better. Journalist: Thank you! Head Teacher: You are welcome. | |
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；把物体没入乙液体中，弹簧称示数为
，则甲、乙两液体的密度之比是 。