2707. A value of 2 mm is permitted

A. The emergency call pushbutton on the overhead panel may be pressed in order to start an emergency call from the cockpit. This starts a communication between the cockpit and all cabin stations on a special link.

B. The emergency call pushbutton on the overhead panel must be pressed in order to initiate an emergency call from the cockpit. This initiates a communication between the cockpit and all cabin stations on a common link.

C. The urgent call pushbutton on the overhead panel must be pushed in order to initiate an urgent call from the cockpit. This initiates a communication between the cockpit and all cabin stations on a common connect.

A. GET INTO

B. GO INTO

C. ENTER

A. 包含大写字母加名词或数字加名词的术语,通常用于描述某物的形状或结构。

B. 包含大写字母加名词或数字加名词的条款,通常用于描述某亭的形式或特性。

C. 项目首字母加名词或者数字加名词的,通常要描述某物的外形和构造。

A. 吹干传输管和喷油管中的空气。

B. 吹干冰使其通过传输管和喷油管。

C. 吹干空气使其通过传输管和喷油管。

A. When you change a word with the alternative, you must ensure that the meaning of the sentence varies.

B. The meaning of the sentence can be different when you use the alternative you select to replace a word.

C. Always keep the same meaning of the sentence when you use the alternative to replace a word.

A. FOLLOWS

B. FOLLOWING

C. FOLLOWED

A. 轮胎冷却后,气压降低。

B. 气压降低,而导致机轮冷却。

C. 气压降低的同时,而轮胎逐渐冷却。

A. Dilute the solution in a container made of ceramic material.

B. Prepare the solution in a container made of ceramic material.

C. Dissolve the solution in a container made of ceramic material.

A. 确认管子没有膨胀。

B. 确认管子没有压缩。

C. 确认管子没有变形。

A. The approved words were chosen because they are as simple as to be recognized.

B. If the words are difficult and hard to identify, they may not be selected as the approved words.

C. Simplicity and legibility are the main features of the approved words.