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【简答题】
Linda loves her dog Davy. They went to New York City last Saturday. While Linda was buying a newspaper at the train station, the dog got out of his box and ran away. The station was crowded and Linda couldn’t see Davy anywhere. When Linda shouted his name, some people looked at her but Davy didn’t come. Then she called the police. While she was talking on the telephone, Davy met another dog outside the station. While the police were coming, Linda walked around the station and called Davy’s name. She didn’t think about looking outside the station. Finally, a little boy said to her,“Did you look outside? I saw a big black dog when came in.”When Linda finally saw Davy, he was jumping and running with another dog. There was a police officer next to them. The police officer said to Linda, “I think my dog found your dog.”
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参考答案:
举一反三
【单选题】所有病毒都会变种吗?
A.
B.
不会
C.
不一定
【单选题】多频电路(非正弦交流)---21136 图示周期函数 f1(t)=100 则f2(t)可表示为 答( )
A.
100
B.
100
C.
100
D.
100
【判断题】网页设计布局有国字型、拐角型、框架型、封面型等。
A.
正确
B.
错误
【单选题】图示非正弦周期函数f(t)为( )。
A.
偶函数且仅含奇次谐波
B.
偶函数且仅含偶次谐波
C.
奇函数且仅含偶次谐波
D.
奇函数且仅含奇次谐波
【简答题】编程实现在主函数中调用函数f求解阶乘,要求求解的阶乘从键盘输入,如输入5,得到的值是120.
【单选题】多频电路(非正弦交流)---21142 图示周期函数f(t)的傅里叶级数展开式系数为零的是 答( )
A.
k为偶数的余弦项ak与A0
B.
k为奇数的ak
C.
k为偶数的正弦项bk与A0
D.
k为偶数的ak与A0及k为偶数的bk
【简答题】日常生活中常见的气质类型包括()、()、()、()四种。
【单选题】所有病毒都回变种吗?
A.
B.
不会
C.
不一定
【判断题】无论是指针式万用表或数字式万用表均可以对电控发动机进行电阻、电压及电流的数据测量。
A.
正确
B.
错误
【简答题】日常生活中常见的气质类型包括胆汁质、多血质、黏液质和____________四种类型。
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