看图完成对话。1. A: What are they doing? B: The_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题补全对话，情景问答

看图完成对话。

1.	A: What are they doing? B: They're _______________________.
2.	A: What _________________________? B: They're _______________________.
3.	A: ______________________________? B: ______________________________.
4.	A: ______________________________? B: ______________________________.

答案

1. playing

2. are they doing, sitting

3. What are they doing, They are walking

4. What are they doing, They are running

答案不唯一

填空题

构法施工隧道时所需的监测内容可分为土体介质监测，周围环境监测，（）。

判断题

塑料在加料段的温度不能过高，否则会在加料口引起料的堵塞。