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【简答题】
An old farmer lived with his little grandson. Every day the farmer got up early to read books. One day the grandson asked, “Grandpa! I want to read books just like you, but I don’t understand them. What are the advantages of reading?” The grandfather said, “Take this litter basket to the river and bring me back a basket of water.” he boy did, but all the water leaked out before he got back to the house. The grandfather laughed and said, “ You’ll have to walk faster next time.” This time the boy ran faster, but again the basket was empty before he returned home. The boy said, “ See Grandpa, it’s useless!” So you think it is useless?” the old man said. “Look at the basket.” The boy looked at the basket and for the first time he realized that the basket was different. It was clean, inside and out. “That’s what happens when you read books. You might not understand or remember everything, but when you read them, you will be changed, inside and out.” 小题1:The grandfather got up early to __________. A.repair a basket B.do farm work C.wake up his grandson D.read books 小题2:The underlined phrase “leaked out” means “______” in Chinese. A.出现 B.保留 C.漏出 D.爆发 小题3:The passage might be written for ___________ to read. A.children who like asking questions B.children who like playing with water C.children who dislike farming D.children who dislike reading 小题4: The basket was ________ in the end. A.light B.clean C.useless D.dirty 小题5: What can we know from the passage? A.The old farmer might be changed by reading. B.The old farmer played tricks on his grandson. C.The little boy got a full basket of water at last. D.The old farmer was angry when he saw the empty basket.
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【判断题】确定信号可分为连续性信号与离散信号
A.
正确
B.
错误
【单选题】关于《边塞诗》视频1中提到的文坛趣事,以下哪一项说法正确( )
A.
这则文坛趣事叫做《旗亭画壁》。
B.
故事里面出现了四位诗人,分别是高适、岑参、王昌龄、王之涣。
C.
歌女唱的这几句“奉帚平明金殿开,且将团扇共徘徊。玉颜不及寒鸦色,犹带昭阳日影来。”来自于王之涣的《长信宫词》。
D.
从故事中我们可以看出最受艺高貌美歌女青睐的是王昌龄的诗歌。
【单选题】信号按照信号的确定性来分类可分为
A.
模拟信号和数字信号
B.
能量信号和功率信号
C.
连续信号和离散信号
D.
确知信号与随机信号
【简答题】确定性信号可以分为___________与________________。
【单选题】从信号的描述上可以把信号分为( )信号与非确定性信号。
A.
连续
B.
频域
C.
时域
D.
确定性
【单选题】1下列关于账户和会计科目的表述中,错误的是( )。
A.
账户是会计科目的名称,会计科目是账户是具体应用
B.
两者之间的区别在于账户具有一定的格式和结构
C.
实际工作中,对账户和会计科目不加严格区别,而是互相通用
D.
账户能反映会计要素增减变化的情况及其结果,而会计科目不能
【单选题】从信号的( )上可以把信号分为确定信号与非确定性信号。
A.
描写
B.
描述
C.
描绘
D.
速描
【单选题】信号按时间函数的确定性划分,可分为
A.
周期信号和非周期信号
B.
确定信号与随机信号
C.
能量信号与功率信号
D.
连续信号与离散信号
【简答题】通常对于各种信号可以从不同角度进行分类。按时间自变量取值的连续性划分为连续时间信号与 。按信号随时间变化规律划分为确定信号与 。
【简答题】信号分为确定性信号与( )
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