Crossovers should be avoided if practical.

A. 运营商应该用开放的通信设备告知厂家新出现的情况，厂家也要回应以必要的帮助。

B. 双方应采取开放式沟通方式，一旦出现新情况,运营商应告知厂家，而厂家要给予运营商以可靠的帮助。

C. 一旦出现新情况，双方应该进行公开的沟通，运营商告知发生的新情况， 厂家提供帮助。

A. Do not use verbs that are general and vague.

B. Do not use verbs that are normal and mixed.

C. Do not use verbs that are usual and blended..

A. A three-axis accelerometer gives acceleration data of the horizontal, lateral, and longitudinal axis. The flight data recorder system sensors send data about the position of the flight surfaces and controls the FDAU.

B. A three-axis accelerometer gives accelerating data with the vertical, parallel, and longitudinal axis. The flight data recorder system sensors send data and the position of the flight surfaces and controls to the FDAU.

C. A three-axis accelerometer gives acceleration data along the vertical, lateral, and longitudinal axis. The flight data recorder system sensors send data about the position of the flight surfaces and controls to the FDAU.

A. When the light goes off, set the switch to NORMAL.

B. When the light is illuminated, move the switch to NORMAL.

C. When the light is extinguished, move the switch to NORMAL.

A. The maximum distance between the plate edge and the frame is inferior to 0.05 mm.

B. The clearance between the boundary of the panel and the bay can not exceed 0.05 mm.

C. The distance between the edge of the panel and the partition must not be more than 0.05 mm.

A. Other format is not permitted.

B. It＇s not permissible to use this form.

C. Either format is allowed.

A. Hand tools can be divided to four basic categories: kicking tools, holding tools, cutting tools, bending tools.

B. Hand tools can be divided to four basic categories:kicking tools, clutching tools, cutting tools, rolling tools.

C. Hand tools will fall into four basic categories: pounding tools，holding tools， cutting tools and turning tools.

A. 1号和2号发电机为其对应的机翼供电。

B. 1号和2号发动机为其对应的机翼提供热空气。

C. 1号和2号发动机为相关的机翼释放热空气。

A. The air pressure is almost correct.

B. The air pressure is too low.

C. The air pressure is too high.

A. 确保厕所组件正确冲洗。

B. 确保厕所马桶正常工作。

C. 确保厨房组件正常工作。