An aircraft mechanic has to take both oral and practical tests.
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An aircraft mechanic has to take both oral and practical tests.
A.飞机机械师必须进行口试和实操测试。
B.飞机机械师必须进行面试和物理测试。
C.飞机机械师不必进行面试和实操测试。
D.飞机机械师必须进行口试和面试。
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