【判断题】【消耗次数：1】
稳定性是性格的主要特征。
①
正确
②
错误
参考答案：
复制
纠错
相关题目
【单选题】
对于河滩路堤稳定性，下列说法正确的是()。
①
水位上升时，浮力不利于路堤稳定
②
水位上升时，渗透动水压力能增加路堤稳定性
③
水位骤降时，浮力增加路堤的稳定性
④
以上说法都不正确
【多选题】
关于乳剂的稳定性下列哪些叙述是正确的( )。
①
乳剂分层是由于分散相与分散介质存在密度差，属于可逆过程
②
絮凝是乳剂粒子呈现一定程度的合并，是破裂的前奏
③
外加物质使乳化剂性质发生改变或加入相反性质乳化剂可引起乳剂转相
④
乳剂的稳定性与相比例、乳化剂及界面膜强度密切相关
【单选题】
关于线性系统稳定性的判定，下列观点正确的是（）。
①
线性系统稳定的充分必要条件是：系统闭环特征方程的各项系数都为正数；
②
无论是开环极点或是闭环极点处于右半S平面，系统不稳定；
③
如果系统闭环系统特征方程某项系数为负数，系统不稳定；
④
当系统的相角裕度大于零，幅值裕度大于1时，系统不稳定。
随机题目
【单选题】
—Look, someone is coming. Guess who it ___ be?—I think it ___ be Tom.—I don’t think it ___ be ___.
①
?must; can; must; his
②
?may; can; must; him
③
?can; must; can; him
④
?might; must; can; himself
【单选题】
I was told yesterday that the company ___ me to Rome next week for a business conference.
①
?should have sent
②
?was going to send
③
?should be sending
④
?should send
【单选题】
If it is fine tomorrow, we ___ a football match.
①
have
②
will have
③
has
④
shall has
【单选题】
I went to the doctor’s yesterday. I had to wait for half an hour before he ___ see me.
①
?can
②
?may
③
?might
④
?could
【单选题】
If they ___ to do this work, he might do it some other way.
①
were
②
should
③
will
④
can
【单选题】
He was a good swimmer so he ___ swim to the river bank when the boat sank.
①
could
②
might
③
should
④
was able to
【单选题】
No sooner ___ he arrived home than he ___ to start on another journey.
①
has; was asked
②
have; were asked
③
had; is asked
④
had; was asked
【单选题】
This book is ______ that one, but ______ than that one.
①
as difficult as; expensive
②
as more difficult as; more expensive
③
as difficult as; more expensive
④
more difficult as; as expensive
【单选题】
I think the story is not so ______ as that one.
①
Interesting
②
interested
③
more interesting
④
most interesting