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问题
判断题
铣床的主运动是铣刀的旋转运动，进给运动是工作台带动工件相对刀具的运动。( )
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参考答案：
对
补全对话，情景问答
情景对话。给下边的问句选择正确的答语-将其序号填在括号里。
( ) 1. Is Mr Zhang strong?
( ) 2. Who's that young lady?
( ) 3. What's he like?
( ) 4. Where is she from?
( ) 5. Who's your English teacher?
A. Miss Wang.
B. She's from China.
C. She's my teacher.
D. No, he is thin.
E. He's short and strong.
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问答题 简答题
液化石油气为什么破坏性强？
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