Describing the steps is a job that may leave much to be desired.

A. Starting system refers to those units, components and associated systems used for igniting the engine.

B. Starting system refers to those units, components and associated systems used for idling the engine.

C. Starting system refers to those units, components and associated systems used for starting the engine.

A. This tool is mandatory.

B. This tool is optional.

C. This tool is necessary.

A. 避免使用这些词来表达他们论证过的意思。

B. 一定要使用这些词的批准的意思。

C. 一定要用这些词来表达他们认可的方法。

A. 识别引起故障的部分。

B. 隔离引起故障的部分。

C. 隔离这个部分会引起故障。

A. The Design Authority is responsible for approving and changing the repair procedure.

B. Any alteration to this repair procedure must get verbal approval of the Design Authority.

C. If you change this repair procedure, get approval of the Design Authority.

A. 缓慢地操作千斤顶，直到前起落架减震支柱被压缩。

B. 慢慢控制支架，直到前起落架的减震器稳定。

C. 除非前起落架缓冲器被压缩，不然需要慢慢地操作面板。

A. Make sure the cabin pressure relief valve is open.

B. Make sure the cabin pressure outflow valve is open.

C. Make sure the cabin pressure bypass valve is open.

A. 你能在座椅下方的位置取出救生衣。

B. 你能躲在座椅下面的空间来逃生。

C. 你可以将救生衣装在座椅下方的空间内。

A. Ensure that the parts bond correctly by applying pressure on the base of the patch.

B. Apply weight to the patch surface to ensure a correct bond between the parts.

C. Do not put pressure on the surface of the patch, as it is unnecessary for proper bonding.

A. A dash is usually longer than a hyphen but it is sometimes shown as hyphen with a space on each side.

B. A dash is usually longer than a connection symbol but it is sometimes shown as connection symbol with empty on each side.

C. A minus symbol is usually longer than a hyphen but it is sometimes shown as hyphen with a space on each side.