A、 Obey the safety precautions when you do work with high voltages.
B、 Obey the safety warnings when you do work with high impedance.
C、 Obey the safety cautions when you do work with high capacitance.
答案:A
A、 Obey the safety precautions when you do work with high voltages.
B、 Obey the safety warnings when you do work with high impedance.
C、 Obey the safety cautions when you do work with high capacitance.
答案:A
A. The specification is designed to cut off the cost to general aviation airplane owners and operators and maintenance personnel.
B. The target of the specification is to reduce the cost of general aviation airplane owners and operators and maintenance personnel.
C. The objective of the specification is to minimize the cost to general aviation airplane owners and operators and maintenance personnel.
A. 用1/2英寸的扳手拆下盖子。
B. 用1/2英寸长的扳手拆下端盖。
C. 用1/2英寸的套筒拆下盖子。
A. 关键词汇常常发生在文字中用于连接不同的思想。
B. 关键词汇常常出现在文中用于连接不同的想法。
C. 关键词汇常常闪现在课文中用于连接不同的想法。
A. 如果是活页表,使用“标准”或通用的页面布局。
B. 如果发现松动的页面,使用“标准”或通用的装订页。
C. 如果是活页形式,使用“标准”或常用的页面大小。
A. 那些说明可以作为定期维修所必需的参考。
B. 那些指令是执行定期维护所必需的。
C. 这些指示必须进行有计划维修。
A. 拆下标签。
B. 去除灰尘。
C. 移除设备。
A. If this step can not stop the leakage, remove the actuator.
B. If this step is not enough to stop the leakage, change the motor.
C. If this step is not sufficient to stop the leakage, replace the actuator.
A. These tests need no special equipment or facilities except those installed on the aircraft, and are like the tests performed by flight crews.
B. These tests need some special equipment or facilities that are not installed on the aircraft. And these tests are the same to the tests performed by flight crews.
C. These tests need special equipment or facilities that are installed on the aircraft, and are identical with the tests performed by flight crews.
A. 控制部分控制螺旋桨叶片俯仰,但不包括任何与螺旋桨组件一起旋转的部件。
B. 控制部分能够控制螺旋桨桨叶的桨距,但不包括任何与螺旋桨组件一起旋转的部件。
C. 控制部分控制螺旋桨叶角度,包括任何与螺旋桨组件一起旋转的部件。
A. 飞行员操作手册的本节应描述飞机的方式,该方式应是制造商认为合理且能为飞行员提供有效的信息。
B. 飞行员操作手册的本节应以制造商认为对最有可能操作飞机的飞行员来说最能提供有效信息的方式来描述飞机。
C. 飞行员操作手册的本节内容应以合理的方式描述飞机,且是制造商认为最能为飞行员提供有效信息的。