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A.MySQL数据库一旦安装成功，所有数据库中的数据表的字符集也就确定了，建表时是不可以再指定的
B.在MySQL中，如果添加的数据不符合数据类型或约束条件，系统将报错
C.一个数据表中只可以有一个字段可以设置主键约束
D.自增字段的数据类型可以是字符型或数值型
答案
更多“下面选项中，说法正确的是()。”相关的问题
第1题
第二节 完型填空
阅读下面短文，从短文后所给的[A]、[B]、[C]三个选项中选择能填入相应空白处的最佳选项。
I shall always remember my tenth birthday. All my friends came【C1】______ my birthday party.
When the time【C1】______ near for me to be ready for the party, I【C1】______ my birthday dress and went into the hall where everyone was【C1】______ for me. I saw a lot of lovely presents. They had been【C1】______ for me by the guests.
A few minutes【C1】______ , my parents brought my birthday cake (蛋糕) with ten candles (蜡烛) on it. I was then asked to cut【C1】______ and the guests were served. Music【C1】______ during the party. The guests were talking and laughing.
【C1】______ the party, I thanked my parents 50 holding such a lovely birthday party for me.
【C1】
A．to
B．at
C．about
第2题
第二节 完型填空
阅读下面短文，从短文后所给的[A]、[B]、[C]三个选项中选择能填入相应空白处的最佳选项。
I shall always remember my tenth birthday. All my friends came【41】my birthday party.
When the time【42】near for me to be ready for the party, I【43】my birthday dress and went into the hall where every one was【44】for me. I saw a lot of lovely presents. They had been【45】for me by the guests.
A few minutes【46】, my parents brought my birthday cake (蛋糕) with ten candles (蜡烛) on it. I was then asked to cut【47】and the guests were served. Music【48】during the party. The guests were talking and laughing.【49】the party, I thanked my parents【50】holding such a lovely birthday party for me.
(41)
A．to
B．at
C．about
第3题
第二节 完型填空
阅读下面短文，从短文后所给的[A]、[B]、[C]三个选项中选择能填入相应空白处的最佳选项。
A teacher I had long ago, Mrs Lynde, was an elderly little woman wearing glasses and always walking quietly round the room hunting for trouble. One day, she was moving from (1) grading workbooks. I (2) her for a time, then, I looked around the room and she was (3) . Maybe she (4) grading books and stepped into the (5) . I stood up and shouted loud enough (6) all those about me to hear, " Where's Granny？" Just as I said the words I (7) my head and saw her (8) at my right ready to grade my (9) . My face turned red and great drops of sweat(汗珠) came out, (10) she only smiled down over me and said, "Is it too warm in the room for you, my dear？"
(1)
A．desk to desk
B．room to room
C．side to side
第4题
第二节 完型填空
阅读下面短文，从短文后所给的[A]、[B]、[C]三个选项中选择能填入相应空白处的最佳选项。
I usually (经常) get up at 6:00【16】the morning. Then I wash my face【17】brush my teeth. I【18】breakfast at 7:00. I live near school. After breakfast I walk【19】school with my brother. On【20】way to school, we talk about our lessons. The【21】are crowded (拥挤) in the morning. There【22】many people in the bus. Many of them are students. Some of them are【23】. They are wearing skirts. Some of them are【24】. They age wearing shorts.
My father is a businessman. My mother is a teacher. They【25】to work on their bicycles.
(16)
A．on
B．at
C．in
第5题
第二节 完型填空
阅读下面短文，从短文后所给的[A]、[B]、[C]三个选项中选择能填入相应空白处的最佳选项。
My father tried to interest me with a bike (Example: 0 ) I was very young. I can still remember the first time he【B1】me to a park on my new bike. I was【B2】six years old then. But I soon learnt【B3】well and grew too big for my first bike. So I bought【B4】one. My father was so proud (骄傲的) that he【B5】happy to clean it himself on Sundays. In those days,【B6】were few cars on the road【B7】the shortage of petrol (缺乏燃油), but if I lived【B8】the same town today I would be【B9】to let my own son have a bike because the number of cars【B10】grown so much.
【B1】
A．drove
B．sent
C．took
第6题
第二节 完型填空
阅读下面短文，从短文后所给的[A]、[B]、[C]三个选项中选择能填入相应空白处的最佳选项。
Do you go to school every day by bike or in your parents' car？ Let me tell you my story. When I was a child, I【1】taking the school bus. It was fun to talk to my friends and play games on【2】bus. It was like a children- only party every morning and【3】. On School buses there【4】 only one man – the【5】 . But we were good because we liked the driver and didn't want to make him【6】.
But one day, one of the children【7】a face at a policeman who was driving【8】our bus. The policeman made our bus driver【9】. After he talked to that boy, we were all very【10】.
(41)
A．loves
B．love
C．loved
第7题
第二节 完型填空
阅读下面短文，从短文后所给的[A]、[B]、[C]三个选项中选择能填入相应空白处的最佳选项。
A man was trying to build an electric motor-car. He worked in an office in the town (1) most of the week, but on Saturdays and Sundays he (2) at home in the country and worked (3) his electric car. Every Monday he told his friends at the (4) about his work on the car, (5) his news about it was never very (6) . Then at last one (7) morning he came to the office and said to his friends, "I have done it! I have (8) from my home to here by electricity!"
His friends were all very (9) . "How much did it cost to get here by electricity？" They asked. “Three hundred and two pounds," he answered, "Two pounds for the electricity, and three hundred pounds for the electric wires from my (10) to the car."
(1)
A．during
B．in
C．for
第8题
第二节 完型填空
阅读下面短文，从短文后所给的[A]、[B]、[C]三个选项中选择能填入相应空白处的最佳选项。
I shall always remember my tenth birthday. All my friends came【C1】______ my birthday party.
When the time【C1】______ near for me to be ready for the party, I【C1】______ my birthday dress and went into the hall where everyone was【C1】______ for me. I saw a lot of lovely presents. They had been【C1】______ for me by the guests.
A few minutes【C1】______ , my parents brought my birthday cake (蛋糕) with ten candles (蜡烛) on it. I was then asked to cut【C1】______ and the guests were served. Music【C1】______ during the party. The guests were talking and laughing.
【C1】______ the party, I thanked my parents 50 holding such a lovely birthday party for me.
【C1】
A．to
B．at
C．about
第9题
第二节 完型填空
阅读下面短文，从短文后所给的[A]、[B]、[C]三个选项中选择能填入相应空白处的最佳选项。
My father tried to interest me with a bike (Example: 0 ) I was very young. I can still remember the first time he【B1】me to a park on my new bike. I was【B2】six years old then. But I soon learnt【B3】well and grew too big for my first bike. So I bought【B4】one. My father was so proud (骄傲的) that he【B5】happy to clean it himself on Sundays. In those days,【B6】were few cars on the road【B7】the shortage of petrol (缺乏燃油), but if I lived【B8】the same town today I would be【B9】to let my own son have a bike because the number of cars【B10】grown so much.
【B1】
A．drove
B．sent
C．took
第10题
第二节 完型填空
阅读下面短文，从短文后所给的[A]、[B]、[C]三个选项中选择能填入相应空白处的最佳选项。
My favorite game is football and it is a world-famous game. Football is【C1】______interesting game that it【C2】______almost in every part of the world. People sometimes【C3】______a long way to watch a football game. Even old people【C4】______ watching this game.
To play this interesting game, I go to the field【C5】______ my house every morning. My friends always【C6】______there for me and they also love this game so much.
【C7】______football is a very hard game. It needs【C8】______running. Football players must be good at controlling (控制) the ball. This【C9】______the game a difficult one.【C10】______ it also makes it interesting.
【C1】
A．such a
B．such an
C．such
第11题
第二节 短文理解1
阅读下面短文，从[A](Right)、[B](Wrong)、[C](Doesn't Say)三个判断中选择一个正确选项。
I was addressing and stamping envelops (信封) when I found there were no stamps left. "I have some in here," my daughter said as she reached for her Bible (圣经).
"It just shows that if you need help, turn to the Bible." I said.
"I also keep my household money (家用钱) in here," she replied. "It's a good place to hide things. The ones who do open the Bible wouldn't steal from it, and the ones who would steal never open it."
The mother had enough stamps.
A．Right.
B．Wrong.
C．Doesn't say.
