Calibrate the thermometer to the Celsius scale.

A. In STE, a unit started with "topic sentence" is to instruct the main topic.

B. The "topic sentence" starts to tell the readers the topic of the paragraph in STE.

C. In STE, a paragraph starts with a “topic sentence” which tells the reader what the topic of that paragraph is.

A. If the error is more than 3 degrees, calibrate the glide slope.

B. If the error is more than 3 degrees, calibrate the compass.

C. If the error is more than 3 degrees, calibrate the gyroscope.

A. This organization was asked to look into the readability of maintenance documentation in the civil aviation industry and find a resolution to simplify the language used to write such documentation.

B. This organization was asked to research the legibility of maintenance documentation in the civil aviation industry and get a way to simplify the language used to write such documentation.

C. This organization was asked to study the readability of maintenance documentation in the civil aviation industry and find a method to single out the language used to write such documentation.

A. Manufacturers＇ recommended time limits, maintenance checks and inspections (both planned and unplanned) are arranged in Chapter 5.

B. Manufacturers＇ recommended time limits, maintenance checks and tests (both scheduled and unscheduled) are arranged in Chapter 5.

C. Manufacturers＇ recommended time limits, maintenance checks and inspections (both scheduled and unscheduled) are arranged in Chapter 5.

A. 用米尺来衡量金属盒的容积。

B. 评测金属规则的维度，来作长远的分级。

C. 用一个带有毫米刻度的金属尺来测量尺寸。

A. 定位器与跑道中心线对齐,下滑道与跑道出口成一定角度。

B. 航道与跑道中心线对齐,下滑道与跑道入口成恒定角度。

C. 航道与跑道中心线平行,下滑道与跑道出口成恒定角度。

A. A separate document should be prepared for FAA approved airworthiness limitations which are excluded in the primary maintenance manual.

B. FAA approved airworthiness limitations shall be prepared as a separate document for inclusion in the principal maintenance manual.

C. FAA approved airworthiness limitations must be contained as an integrated documentation for inclusion in the main maintenance manual.

A. 执行所有的程序。

B. 执行以下程序。

C. 执行以上程序。

A. Visually check the forward engine mount to the fan frame bolts if they are correctly installed and damaged.

B. Do a visual check of the bolts which attach the forward engine mount to the fan frame for the correct installation and damage.

C. Visually check the correct installation and damage of the forward engine mount to the fan frame bolts.

A. 机身站位360处的地板梁有低度腐蚀（长2英寸，直径1英寸）。

B. 机身站位360处的地板梁有重度腐蚀（长2英寸，半径1英寸）。

C. 机身站位360处的地板梁有中度腐蚀（长2英寸，直径1英寸）。