• 2022-05-29
    Which of the statements on invasive thymoma is incorrect?
    A: Multiple metastases are likely to happen in the lung
    B: CT manifests as an irregular mass with unclear edges
    C: The main sign of mediastinal invasion is the disappearance of fat space
    D: It can grow along the pleura to the posterior mediastinum and pericardium on the same side
    E: It can enter the abdominal cavity through the aortic orfice and diaphragmatic aperture
  • A

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    • 0

      Which statements of the event listener are true A: Multiple listeners can be attached to one component. B: Only one listener can be attached to one component. C: One listener can receive and process the events from multiple components. D: One listener can receive and process the events from only one component.

    • 1

      A control volume is: ( ) A: An isolated system B: A closed system but heat and work can cross the boundary C: A specific amount of mass in space D: A fixed region in space where mass, heat and work can cross the boundary of that region

    • 2

      Which  statements are true regarding listeners() A: Listeners use only the TCP/IP protocol. B: Multiple listener processes can run simultaneously on a host. C: Multiple database instances can be registered with a single listener. D: The listener-related errors can be traced only at the administrative level. E: Only one database instance can be registered with a single listener at any time

    • 3

      Which of the following statements about the diagnosis of COVID-19 is NOT correct? A: CT can be replaced with chest X-ray film. B: Both nucleic acid test and lung CT are needed and have their own significances. C: Lung CT is very important in early diagnosis, progress evaluation and prognosis prediction. D: Nucleic acid test is the sole evidence for the confirmation of COVID-19 E: CT cannot be replaced with chest X-ray film.

    • 4

      Which of the following statements about the central place is incorrect? A: The central place is the center of the surrounding area. B: The central place can be a city. C: The central place can be a town. D: The central place is a virtual space.