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【单选题】
第38题。后置刀架车床使用正手外圈车刀加工外圆,刀尖补偿的刀尖方位号是()。A.
2
B.
3
C.
4
D.
5
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举一反三
【单选题】Col. Quirk Browne was lucky to be able to telephone the fire brigade______.
A.
because it was a Sunday
B.
because the wires were burnt soon after the call
C.
because he was trapped upstairs
D.
because the house was a long way from the town
【单选题】Which of the following BEST explains what the global community should do?
A.
To supervise the construction of schools.
B.
To take prompt and effective actions.
C.
To provide water and power supply.
D.
To prevent instability and aggression.
【单选题】It can be concluded from the passage that the Philadelphia Museum of Art ______.
A.
only collects paintings by American artists
B.
has sold many paintings to foreign collectors
C.
has a larger collection of paintings than other museums
D.
only exhibits a portion of its collection of paintings
【单选题】Don’t throw away the waste paper. It needs so that it can be reused.
A.
to destroy
B.
destroying
C.
to collect
D.
colleting
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