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【单选题】
刀具直径为 8mm的高速钢立铣刀铣削铸铁件时,主轴转速为1100r/min,切削速度为( )。A.
90mm/min
B.
28mm/min
C.
2.3m/min
D.
10m/min
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【简答题】阅读理解。 My name is Mary. I'm a student. I have two sisters. They are Sandra and Linda. I like eggs and ice cream. But Sandra doesn't like eggs or(或者) ice cream. Sandra likes salad and chicken. Lind...
【简答题】阅读理解。 My name is Carol. I'm seen and I'm from Australia. I have two sisters. Eileen is thir and Ruth is eleven. We are all students now. But I want to be a policeman in the future (将来), I thi...
【单选题】I have two sisters. are teachers.
A.
Both of them
B.
All of them
C.
Either of them
D.
Neither of them
【单选题】I have two sisters. One is a teacher, ____ is a doctor. [ ]
A.
other
B.
another
C.
others
D.
the other
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