皮皮学，免费搜题
登录
搜题
【单选题】
在采用PI调节器组成的控制系统中，系统受到大的扰动后，被控量无波动的逐渐稳定在给定值上，则可认为（）。
A.
PB和Ti均合适
B.
PB太大，Ti太小
C.
PB太小，Ti太大
D.
PB和Ti都太大
拍照语音搜题，微信中搜索"皮皮学"使用
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】设立“三公九卿”中央政府机构和推行都县制度等政治措施的朝代是
A.
夏朝
B.
商朝
C.
周朝
D.
秦朝
查看完整题目与答案
【单选题】Aristotle was one of those who could found a civilization, and while he thought of education as both a social value and an end in itself, he ascribed its chief importance【21】what might be considered a...
A.
for
B.
to
C.
by
D.
with
查看完整题目与答案
【单选题】He politely refrained himself ______ saying what he thought of her hat.
A.
against
B.
by
C.
from
D.
out
查看完整题目与答案
【单选题】It would be dark before he could reach the village, and he heaved a heavy sigh when he thought of encountering the terrors of Dame.
A.
simple sentence
B.
compound sentence
C.
complex sentence
D.
compound-complex sentence
查看完整题目与答案
【单选题】The problem is very hard. He thought of it for a long time._______ he solved it． [     ]
A.
In the end
B.
At the end of
C.
 by the end of
D.
 In the end of
查看完整题目与答案
【单选题】作家萧乾说:“ 文字是天然含蓄的东西。无论多么明显地写出,后面总还跟着一点别的东西:也许是一种 口气,也许是一片情感。即就字面说,他们也只是一根根的线,后面牵着无穷的经验。字好像是支票,银 行却是读者的经验库。 ‘ 善读 ’ 的艺术即在如何把握着支票的全部价值,并能在自己的银行里兑了现 。” 作家萧乾所说的“善读”指的是( )。
A.
文学阅读
B.
文学创造
C.
文学欣赏
D.
文学研究
查看完整题目与答案
【单选题】()，中国物品编码中心启动了'中国条码推进工程'。
A.
2003年7月
B.
2003年8月
C.
2003年4月
D.
2003年9月
查看完整题目与答案
【简答题】Many years ago, a rich man found that someone wan taking valuable things from his house. He locked all the doors and all the windows .Still the things went. It must be one of the servants! How could h...
查看完整题目与答案
【判断题】关系必须有唯一的候选码。
A.
正确
B.
错误
查看完整题目与答案
【单选题】He ______ round through these figures and told the manager what he thought of them.
A.
gazed
B.
glanced
C.
glared
D.
peeped
查看完整题目与答案
相关题目：
【单选题】设立“三公九卿”中央政府机构和推行都县制度等政治措施的朝代是
A.
夏朝
B.
商朝
C.
周朝
D.
秦朝
查看完整题目与答案
【单选题】Aristotle was one of those who could found a civilization, and while he thought of education as both a social value and an end in itself, he ascribed its chief importance【21】what might be considered a...
A.
for
B.
to
C.
by
D.
with
查看完整题目与答案
【单选题】He politely refrained himself ______ saying what he thought of her hat.
A.
against
B.
by
C.
from
D.
out
查看完整题目与答案
【单选题】It would be dark before he could reach the village, and he heaved a heavy sigh when he thought of encountering the terrors of Dame.
A.
simple sentence
B.
compound sentence
C.
complex sentence
D.
compound-complex sentence
查看完整题目与答案
【单选题】The problem is very hard. He thought of it for a long time._______ he solved it． [     ]
A.
In the end
B.
At the end of
C.
 by the end of
D.
 In the end of
查看完整题目与答案
【单选题】作家萧乾说:“ 文字是天然含蓄的东西。无论多么明显地写出,后面总还跟着一点别的东西:也许是一种 口气,也许是一片情感。即就字面说,他们也只是一根根的线,后面牵着无穷的经验。字好像是支票,银 行却是读者的经验库。 ‘ 善读 ’ 的艺术即在如何把握着支票的全部价值,并能在自己的银行里兑了现 。” 作家萧乾所说的“善读”指的是( )。
A.
文学阅读
B.
文学创造
C.
文学欣赏
D.
文学研究
查看完整题目与答案
【单选题】()，中国物品编码中心启动了'中国条码推进工程'。
A.
2003年7月
B.
2003年8月
C.
2003年4月
D.
2003年9月
查看完整题目与答案
【简答题】Many years ago, a rich man found that someone wan taking valuable things from his house. He locked all the doors and all the windows .Still the things went. It must be one of the servants! How could h...
查看完整题目与答案
【判断题】关系必须有唯一的候选码。
A.
正确
B.
错误
查看完整题目与答案
【单选题】He ______ round through these figures and told the manager what he thought of them.
A.
gazed
B.
glanced
C.
glared
D.
peeped
查看完整题目与答案