问题
单项选择题
目前，固体的混合设备大致可分为
A．两大类
B．三大类
C．四大类
D．五大类
E．六大类
答案
参考答案：A
解析：因为目前固体的混合设备只有容器旋转型和容器固定型，故大致可分为两大类。
搜题请搜索小程序“爱下问搜题”
目前，固体的混合设备大致可分为
A．两大类
B．三大类
C．四大类
D．五大类
E．六大类
参考答案：A
解析：因为目前固体的混合设备只有容器旋转型和容器固定型，故大致可分为两大类。
A: Good morning, Sue. Did you enjoy your holiday in the country? B: 小题1: And some friends went with us. A: 小题2: B: In a hotel. And we could enjoy the beautiful scenery from the window. A: Sounds goood. 小题3: B: The sun shone nearly every day and it didn’t rain at all. A: 小题4: B: Yes,they were great. We met some farmers and had some food in their houses. __小题5: Did you have a good weekend? A: Yes,but I didn’t do much. I just stayed at home.
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