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【单选题】
直升机有地效的悬停高度是：A.
0.5-1旋翼高度
B.
1-1.5旋翼高度
C.
1.5-2旋翼高度
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】As students, we should work hard and do ________ best to realize our dreams.
A.
us
B.
our
C.
ours
D.
ourselves
【单选题】If we want others to see us not as monsters, we should_____.( 大爱是每个人都能具备的能力 )
A.
We should see others with imagination of their softness and good sides first.
B.
We should spare our effort to use normal judgments to see others instantly.
C.
We should feel weird to see some special people, like prostitutes or the disables.
D.
We should see others objectively and think that they are responsible for their fortunes or misfortunes.
【单选题】有关控制令牌操作叙述错误的是( )。
A.
用户自己产生控制令牌。
B.
令牌沿逻辑环从一个站点传递到另一个站点。
C.
当等待发送报文的站点收到令牌后，发送报文。
D.
将控制令牌传递到下一个站点。
【简答题】胜任素质概念是由____提出的。
【单选题】Sometimes chemicals are carried in drums in （）.
A.
chemical carriers
B.
bulk carriers
C.
general cargo ships
D.
LNG carriers
【单选题】下列哪些说法是正确的？（）①图像都是由像素组成的，通常称位图或点阵图②图形也称矢量图，矢量图放大若干倍后，还是清晰无失真③图像的最大优点是容易进行移动、缩放、旋转和扭曲等变换
A.
①②③
B.
②③
C.
①②
D.
①③
【简答题】is the general idea of something abstract in the mind, a connection between a word and a thing it refers to, sometimes equivalent to “sense”. In philosophy, concept has two properties: connotation and...
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