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【简答题】
The warm day was the only day of the week without rain. I opened the door and went to the yard, took a seat and began to enjoy the wonderful sunshine. Suddenly, I noticed that the house near mine had been sold. An elderly lady was in front of the door, with some beautiful flowers beside her. I walked to her. She looked to be in her early eighties and had the prettiest white hair. “Hi! My name is Robert,” I said smiling brightly at the old lady. She smiled back and said, “Hello, Robert. I’m Charlene.” Her voice was very strong for someone at her age. Later, I learned she was alone and had no family or relatives to look after her. From that day on, I often visited her and helped her with her housework and sometimes she gave me some delicious food. A year passed, and I considered Charlene to be one of my best friends. One day, I walked over for my morning visit and knocked on the door, but there was no answer. I knocked again, and she still didn’t turn up. So I let myself in, using the key she had given me. I checked her living room and then her kitchen. I finally went into her bedroom, and she was lying peacefully on her bed. Beside her there were two notes. One was her will(遗嘱), which said all that she had would be given to me. The other was a thank-you note. I went to her bedside and cried sadly. Although it has been a long time, I still miss her deeply. Whenever I look at the beautiful flowers in front of her house, I remember the wonderful friendship we had. 小题1:The writer came out of the house to ____________. A．look at the old lady B．enjoy some flowers C．enjoy the sunshine D．clean the house nearby 小题2:Through visiting the old lady, the writer learned that the old lady__________. A．disliked all her relatives B．had no one to look after her C．didn’t want to live with her family D．was looking for someone to look after her 小题3:Which of the following is true according to the passage? A．The old lady was not kind to others except Robert. B．The writer didn’t have any other good friends . C．The old lady didn’t know how to make food. D．The writer got along very well with the old lady.
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【单选题】在C语言中,下面程序的执行结果是 ( ) #define SUM(X) X*X main() { int a=6;int i=1,j=2; a+=SUM(i+j)/SUM(i+j); printf("%d\n",a); }
A.
15
B.
7
C.
0
D.
9
【单选题】在C语言中,下面程序的执行结果是 ( ) #define SUM(X) X*X main() { int a=6;int i=1,j=2; a+=SUM(i)/SUM(j); printf("%d\n",a); }
A.
6
B.
7
C.
0
D.
9
【单选题】在C语言中,下面程序的执行结果是 ( ) #define SUM(X) X*X main() { int a=3;int i=2,j=1; a+=SUM(i+j)/SUM(i+j); printf("%d\n",a); }
A.
7
B.
8
C.
9
D.
10
【单选题】电控汽油机燃油供给系统中的哪个部件与喷油量控制最为密切,如其出现问题,将导致喷油量错误,空燃比失调,严重影响发动机工作,但它一般又不是电控部件。
A.
燃油泵
B.
喷油器
C.
燃油压力调节器
D.
PCV阀
【单选题】在C语言中,下面程序的执行结果是 ( ) #define SUM(X) X*X main() { int a=2;int i=1,j=1; a+=SUM(i+j)/SUM(i+j); printf("%d\n",a); }
A.
6
B.
7
C.
8
D.
9
【单选题】在C语言中,下面程序的执行结果是 ( ) #define SUM(X) X+X main() { int a=5;int i=1,j=1; a+=SUM(i+j)/SUM(i+j); printf("%d\n",a); }
A.
10
B.
11
C.
12
D.
13
【单选题】下面关于ID3算法中说法错误的是()
A.
ID3算法要求特征必须离散化
B.
信息增益可以用熵，而不是GINI系数来计算
C.
选取信息增益最大的特征，作为树的根节点
D.
ID3算法是一个二叉树模型
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