731 、 Structural or equipment modifications can change the basic mass and the center-of-gravity
coordinates

A. 　通过最少两个全循环操作副翼,并操作全其最大行程

B. 　至少完整操作副翼两个全循环至其最大行程。

C. 　操作副翼最小两个单位,至其最大行程。

A. 　 If the repair scheme must be changed, the approval of the design authority is hardy got.

B. 　 If the design authority need change the repair scheme, it can get the approval.

C. 　 If it is necessary to change the repair scheme,get the approval of the design authority.

A. 　本章中任何或所有部件的翻修必须使用部件制造商提供的数据完成。

B. 　任何或所有部件的销售必须提供本章有关的部件生产商数据。

C. 　本章中任何或所有部件的翻新必须由部件生产商完成并提供数据。

A. 　It is quite easy to understand long noun clusters because the words in the noun cluster have close relationship between each other.

B. 　 lt is difficult to understand long noun clusters because the words in the noun clusters can be connected to
each other in different ways.

C. 　 lt is quite sure that long noun clusters are fairly hard to understand because the words in the noun cluster
are related to each other in the same way.

A. 　 lf a chapter is deleted, by merging with other chapters, the original chapter title will be listed in the table of
contents at the front of the manual and the location will be indicated in the reference materials.

B. 　 Where chapters have been eliminated through combining with other chapters, the original chapter title
will be listed in the table of contents at the front of the manual, and the material will be located in the
original chapter.

C. 　 lf a chapter is deleted by other chapters, the original chapter title will be listed in the table of contents at
the front of the manual and the location will be indicated in the reference materials.

A. 　 All tabulations shall own a title in order.

B. 　 Al tables shall bear a title with a number.

C. 　 All figures shall have a title with a number.

A. 　 The fuselage is a semi-monocoque structure

B. 　 The fuselage is a demi-plate.

C. 　 The airframe is of half-shell structure.

A. 　 Before you move the spoilers, tell all persons to get off the wings.

B. 　 Before telling all persons to get off the wings, you move the ailerons

C. 　 Before you move the ailerons, tell all persons to get off the wings.

A. 　 Water above the kitchen floor can seep in through small holes in the floor surface, invisible to the naked
eye

B. 　 Eyes cannot see the vapor which may penetrate through small holes of the floor surface in the galley.

C. 　 Moisture above the galley floor can go through small holes in the floor surface area and stay out of view.

A. 　发动机提供三相电压,当发动机转子速度升高时,此电压的频率会增加: