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【单选题】
下列各项中，不能提高数控机床结构刚度的措施是（）A.
合理选择及布置隔板和筋条
B.
机床大件采用阻尼涂层法
C.
机床大件材料采用铸铁
D.
采用钢板焊接结构
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举一反三
【单选题】The student _____ from the training so much that he was _____ the first prize in the event.
A.
benefited; awarded
B.
awarded; benefited
C.
gained; earned
D.
earned; gained
【单选题】The student______ from the training so much that he was_____ the first prize in the event.
A.
benefited；benefited
B.
awarded；awarded
C.
awarded；benefited
D.
benefited；awarded
【单选题】The student _____ from the training so much that he was _____ the first prize in the game.
A.
benefited; awarded
B.
awarded; benefited
C.
gained; earned
D.
earned; gained
【单选题】He is an honest and capable student,so he was chosen ______ president of the student council at my school.
A.
a
B.
an
C.
the
D.
/
【单选题】The student was so _______ upon his book that he did not notice the passage of time.
A.
evaporate
B.
vulnerable
C.
evoke
D.
intent
【简答题】Listen to a passage and decide whether the following statements are true ( T ) or false ( F ). 1 The student asked the teacher to bring him beer and hamburgers. 2 The teacher was very surprised at the...
【简答题】The student was so tired that____________________(他的眼皮耷拉着只想睡觉)．
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