机床几何精度的检验是在( )情况下进行的。
A.机床不运转 B.机床运转C.机床正常负载 D.机床超负荷
参考答案:A
— How is the test that you took yesterday?
— Unfortunately, not even one of the hundred students who took the test ______ passed.
A.has
B.have
C.are
D.is
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