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【单选题】
电力系统稳定性不包括()。
A.
频率稳定
B.
攻角稳定
C.
输出功率稳定
D.
电压稳定
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举一反三
【单选题】Hiking by oneself can be fun and good for health. It may also be good for building.
A.
character
B.
friendship
C.
reputation
D.
respect
【单选题】学校对违纪学生进行处分,这种控制属于( )
A.
反馈控制
B.
实时控制
C.
前馈控制
D.
事中控制
E.
其他三种都不是
【简答题】肛管内面有 6-10 条纵向的黏膜皱襞,称________;平肛柱上端的环行线为________;相邻肛柱下端间的半月形的皱襞为________;相邻两肛柱及其间的肛瓣所形成的隐窝为________。
【单选题】Cores may also be added to make concave or internal features for the cast part. ( ) pins may also be used for mating the molds later.
A.
Improvement
B.
Segment
C.
Equipment
D.
Alignment
【单选题】学校对违纪学生进行处分,这属于以下哪一种控制类型?
A.
反馈控制
B.
前馈控制
C.
同期控制
D.
以上三种都不是
【多选题】我们为什么要进行媒介融合?
A.
互联网的冲击,网民获取信息渠道发生重大变化,适应媒体发展的趋势。
B.
借鉴外媒的结果。
C.
传统媒体边缘化,生存艰难。
D.
舆论阵地的夺取,政策规定。
【多选题】Formal words may also be called:
A.
learned words
B.
literary words
C.
“big” words
D.
advanced words
【多选题】Particulates may also be classified by their origin: .
A.
Primary—emitted directly from a process
B.
Secondary—subsequently formed as a result of a chemical reaction
C.
Smoke and fly ash from forest fires
D.
Pollens and other aeroallergens
【单选题】Can you also write e-mail English? ______. [     ]
A.
May be not
B.
May be
C.
Maybe not
D.
May not be
【单选题】a * (b + c) may also be written in C as
A.
ab + ac
B.
(a * b ) + c
C.
a * b + c
D.
a * b + a * c
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