皮皮学，免费搜题
登录
搜题
【单选题】
关于全静压系统电加温装置的使用正确的说法是 :A.
在地面检查全静压管、全压管和静压的电加温时，必须有较长的通电 加温时间，以确认系统能正常加温
B.
在地面检查全静压管、全压管和静压的电加温时，通电检查时间不能 太长，一般不超过 1~2 分钟，以免烧坏加热元件
C.
空中飞行时，加温装置必须一直处于接通状态 ，一 防止结冰
D.
机组和地面维护人员都需要根据天气情况自行选择加温装置的通电时间
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】In regard of leadership competencies, the author suggests that people have ______.
A.
believed in their existence
B.
learned to apply them extensively
C.
found it very difficult to acquire them
D.
been unable to realize their importance
【单选题】The author of this passage implies that nowadays the story of Jack would be______.
A.
believable
B.
inspiring
C.
unbelievable
D.
sad
【单选题】According to the Newsweek Poll,______.
A.
Robin Simon's finding was too surprising to believe
B.
no parents admitted having a child made their life less enjoyable
C.
half Americans agreed adding a child has a positive effect on happiness levels
D.
16% of Americans said having a child was harmful to parents' relationship
【单选题】That 'life' and 'reality' are themselves fictions ______.
A.
is what people generally believe today
B.
is considered true by all literary critics
C.
is only the opinion held by very few critics
D.
is not the end of the matter
相关题目：
参考解析：
知识点：
题目纠错 0
发布
