A、 The audio input with highest priority will be decreased by amplifier.
B、 The audio input will be increased by amplifier firstly.
C、 The audio input that has the highest priority will be enlarged by amplifier.
答案：C
A、 The audio input with highest priority will be decreased by amplifier.
B、 The audio input will be increased by amplifier firstly.
C、 The audio input that has the highest priority will be enlarged by amplifier.
答案：C
A. Reserve the inflammable material at least 50 inches away from the work area.
B. Deposit the explosive substance out of 50 feet with the work area.
C. Keep flammable materials at a minimum distance of 50 feet from the work area.
A. To improve the safety operations, airspeeds shall be a preface to the Normal Procedures Section.
B. The airspeeds shall be provided as an introduction to enhance the safety operations.
C. The airspeeds which may enhance the safety of operations shall be provided as a preface to the Normal Procedures Section.
A. If the Halon extinguisher has its lever lock pin lost, you must scale the extinguisher to make sure if it is full.
B. If the hand lock pin on the Halon fire flask is not there, you must weight the extinguisher to see if it is full.
C. If the handle lock pin on the Halon extinguisher is not there, you must weigh the extinguisher to find if it is full.
A. 因为轴的损坏，导致泵不运转。
B. 由于泵的设计问题，导致其停止运转。
C. 泵运转失常的原因在于叶轮的损坏。
A. 这会导致组件的机械性能的恶化。
B. 这会导致组件的机械部件的变形。
C. 这会导致组件的机械装置碰撞。
A. The aim of STE is that readers all over the world can easily understand the technical texts and that writers who are responsible for preparing technical texts know how to prepare them in a easy method.
B. The objective of STE is to provide writers with general principles on how to prepare technical documents in a clear, simple and distinct manner that readers all over the world can easily understand.
C. The function of STE is to describe how to prepare technical texts in a easy, clear and specific way and to allow readers all over the world to understand difficultly.
A. 仔细评估损伤区域。
B. 仔细测量损伤区域。
C. 仔细评估磨损区域。
A. The oil supply element and the three magnetic particle testing detectors are in the lubrication unit.
B. The oil supply filter and the three chip detectors are in the lubrication unit.
C. Position the oil supply filter assembly and the three magnetic chip detectors in the lubrication unit.
A. Do not make the pressure became less than (or more than) 20 psi.
B. Do not let the pressure become less than (or more than) 20 psi.
C. Do not let the pressure close less than (or more than) 20 psi.
A. 检查并拆下损坏的零件。
B. 检查拆下的零件是否损坏。
C. 检查损坏的零件，判断是否要拆下。
