A、 You can use all standard English parentheses except the colon.
B、 You can use all standard English contraction marks except the hyphen.
C、 You can use all standard English punctuation marks except the semicolon.
答案：C
A、 You can use all standard English parentheses except the colon.
B、 You can use all standard English contraction marks except the hyphen.
C、 You can use all standard English punctuation marks except the semicolon.
答案：C
A. 确保表面没有铁锈。
B. 确保表面没有灰尘。
C. 确保表面没有油渍。
A. Ensure that the porosity is less than the specified error.
B. Ensure that the depth of the hole conforms to the specified value.
C. Make sure that the diameter of the hole is less than the specified value.
A. 仔细检查组件来确定是否有进一步的损坏。
B. 目视检查组件来确定损坏的部位。
C. 目视检查组件来确定损坏的程度。
A. 确保你要逆时针旋转控制按钮。
B. 确保顺时针转动旋钮。
C. 确保你要逆时针转动控制旋钮。
A. The manufacturer may establish procedures to provide drawback on unairworthy conditions.
B. The manufacturer may establish procedures to provide response on unairworthy conditions.
C. The manufacturer may establish procedures to provide recall on unairworthy conditions.
A. There are electrically-operated valves in the ejection lines to the two engine pumps.
B. There are electronic-operated valves in the ejection lines to the two engine pumps.
C. There are electrically-operated valves in the suction lines to the two engine pumps.
A. This Specification was issued by the General Aviation Manufacturers Association
B. This Specification was revised by the General Aviation Manufacturers Association
C. This Specification was compiled by the General Aviation Manufacturers Association
A. 测量内侧和外侧襟翼的位移。
B. 计算内测和外侧缝翼的移动。
C. 测量移动的内侧和外侧襟翼。
A. 这些ALIs 是强制性的，未经负责飞机型号证书的FAA 办公室或适用的监管机构的批准，不能更改或删除。
B. 这些ALIs 是指令性的，未经FAA办公室批准不得更改或删除。FAA办公室负责飞机型号证书，或发布适用的管理规章。
C. 这些ALIs 是非常必要的，任何更改或删除必须获得FAA办公室批准，或者其他可以颁发飞机型号证书的监管机构的批准。
A. 压力传感器安装在关断活门的下游。
B. 压力衰减器安装在关断活门的上游。
C. 压力传感器安装在隔离活门的下游。
