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【单选题】
如果一离散时间系统的系统函数 的极点在单位圆上,则它的 ( )。
A.
指数增长信号
B.
指数衰减振荡信号
C.
常数
D.
等幅振荡信号
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参考答案:
举一反三
【单选题】赖因哈德所对伊丽莎白说“我们一起去寻找草莓好不好?”,你觉得他们真正去寻找的东西被理解成下列哪个选项更合适
A.
寻找他俩童年一起玩的聚餐会寻找草莓的游戏
B.
寻找他俩遗失的多年以来形成的美好情愫
C.
寻找茵梦湖中的白色睡莲
D.
寻找那只死掉的,赖因哈德送给伊丽莎白的梅花雀
【单选题】Choice questions选择题 Comprehension理解 1.The writer probably _____ (a)didn't like the hat his wife had chosen (b)liked the hat his wife had chosen (c)chose a hat for his wife (d)chose the hat that looked...
A.
didn't like the hat his wife had chosen
B.
liked the hat his wife had chosen
C.
chose a hat for his wife
D.
chose the hat that looked like a lighthouse
【单选题】'The man put on his hat' is transformed into 'The man put his hat on'. Then which rule is applied according to Transformational Generative Grammar?
A.
Deletion
B.
Copying
C.
Reordering
D.
None of the above
【单选题】—______ hat is that? —It's his hat. [     ]
A.
Who's
B.
Whose
C.
Where
【多选题】马卡连柯看来,儿童游戏主要要达到以下目的: ( )。
A.
让孩子真正地游戏,进行想象,制作东西,把各种东西组合起来
B.
不要让孩子第一项任务还没完成就从一项任务转到另一项任务, 要让孩子把自己的工作做完
C.
要在最良好的环境下扩大同伴的圈子
D.
要使儿童将来成为好的伙伴
E.
要让孩子在每个玩具中发现一定的、 对将来有用的价值,保存好玩具,爱惜玩具
【单选题】有人说:”世界上最遥远的距离,莫过于我们坐在一起,你却在玩手机。”智能手机在为人们的生活带来了方便的同时,也让越来越多的人患上了“手机依赖症”,沉迷于手机,让人与人之间的亲密感正成为“遗失的美好”。从毛泽东思想的观点上看,要找回这种“遗失的美好”就应该:_______。
A.
坚持矛盾的观点,权衡利弊,扬长避短
B.
坚持运动的观点,批判继承,革故鼎新
C.
坚持联系的观点,创造条件,趋利避害
D.
坚持实践的观点,立足实际,发展真理
【判断题】大型工件研点时 , 将研具固定 , 工件在研具表面上研点。
A.
正确
B.
错误
【简答题】小(二)班有一个叫涛涛的孩子,因为全家人的宠爱,自己的东西从不让别人碰,还很任性。一天,幼儿园开展区域游戏活动,涛涛去搭积木,可是建构区里已经挤了很多孩子,涛涛不管那么多,拼命往里挤,边挤边推正在搭积木的幼儿,嘴里还嚷嚷:“你们让开,让我先玩”看见没有人让给自己,他一屁股坐在地上大哭起来。这个过程被李老师看在眼里。李老师走过去将涛涛扶起来,说:“涛涛,你继续哭下去的话,那么多好玩的玩具你都玩不到了...
【单选题】The little boy didn't know______. [     ]
A.
which hat is his
B.
which hat his is
C.
which hat was his
D.
which hat his was
【单选题】. There was a strong wind and ________.
A.
away went his hat
B.
away his hat went
C.
away did his hat do
D.
did his hat go away
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