• 2022-06-05
    To become an aircraft mechanic, you must take oral and practical tests as well as written tests.
    A: 正确
    B: 错误
  • A

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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面试和实操测试。 B: 飞机机械师不必进行面试和实操测试。 C: 飞机机械师必须进行口试和实操测试。 D: 飞机机械师必须进行口试和训练。

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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。

    • 2

      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实操测试。 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实操训练。

    • 3

      In triaxial tests, ______ conditions and ______ conditions are used to classify different types of tests.

    • 4

      For all two-sample tests, the sample sizes must be equal in the two groups. A: 正确 B: 错误