问题
单项选择题
用二维表数据来表示实体及实体之间联系的数据模型为（ ）。
A．5
B．10
C．15
D．20
答案
参考答案：A
解析：本题考查Do…Loop While语句，共执行了5次，total=1+2+3+4 +5＞10。
搜题请搜索小程序“爱下问搜题”
用二维表数据来表示实体及实体之间联系的数据模型为（ ）。
A．5
B．10
C．15
D．20
参考答案：A
解析：本题考查Do…Loop While语句，共执行了5次，total=1+2+3+4 +5＞10。
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| Look! The bus 1 at a small bus stop. A man 2 out of the window. He sees a woman. She is selling 3 . The man wants 4 a cake. But he doesn't want to go out because it is raining. The man sees a boy. The boy is 5 the window. "Come here, boy," the man says. "Do you know 6 the cake is?" "Twenty fen," the boy says. The man 7 the boy forty fen and asks him to buy two cakes. "One is for you and the other is for me," he says to the boy. After 8 minutes, the boy comes back. He 9 a cake. He gives the man twenty fen and says, "Sorry, there 10 only one cake left." | ||||
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