Make sure that you do not connect words which are not related, because this will change the meaning of the noun cluster.

A. Before restarting the engine, make sure to clear the ground from any fuel spills.

B. Remove all spilled fuel from the ground before making the first attempt to start the engine.

C. Ensure that no fuel on the ground is eliminated before proceeding with engine startup.

A. Exhale into the oxygen mask.

B. Breathe into the oxygen mask.

C. Breathe into the gas mask.

A. Obtain approval from the design authority after making any changes to this repair procedure.

B. Prior to modifying this repair procedure, obtain the approval of the design authority.

C. Ensure that the design authority approves nonessential alterations made to this repair procedure.

A. 装配可移动式的举升机用来吊起指定的齿轮箱。

B. 在提升齿轮箱之前装配移动式起重机。

C. 拆下齿轮箱用来装配可移动式的举升机。

A. 在程序中，提供简短，清晰的指令并且直接向读者讲话。

B. 在程序中给出简短，清晰的指令，直接向读者陈述。

C. 在程序执行中，要向读者直接发话，给出简短清晰的指令。

A. Ensure that no other repairs are underway in the repair area before undertaking this procedure.

B. This procedure can only be done if there are other repairs in the repair area.

C. Only proceed with this procedure if there are concurrent repairs being carried out in the designated repair area.

A. The reason why long collocations make non-native English readers confusing is that the key word is the first one in the collocation in some languages.

B. Non-native English readers also feel confused with long noun phrases because of the great importance of the first noun in the phrase in some languages.

C. Long noun clusters are also confusing for non-native English readers, because in some languages the main noun is the first noun in the cluster.

A. Soak the element for two hours.

B. Wet the element for two hours.

C. Stove the element for two hours.

A. 只要发现的问题得到彻底解决，就会向申请方颁发补充型号合格证。

B. 如果发现的问题得不到彻底解决，就不会向申请方颁发型号合格证。

C. 型号合格证的颁发与否取决于是否彻底解决了发现的问题。

A. Remove the bolt, washer, and nut to disconnect the bend clamp from the structure.

B. Remove the screw, washer, and nut to disconnect the short clamp from the structure.

C. Remove the screw, washer, and nut to disconnect the loop clamp from the structure.