问题
单项选择题
暴雨强度的频率是指( )该暴雨强度发生的机会，以N(%)表示。
A．等于或大于
B．等于或小于
C．大于
D．小于
答案
参考答案：A
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暴雨强度的频率是指( )该暴雨强度发生的机会，以N(%)表示。
A．等于或大于
B．等于或小于
C．大于
D．小于
参考答案：A
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| Mrs Black was a famous musician several years ago. She taught 1 at a school and her students did well in their lessons. They liked her very much. Now the old woman stays at home with her husband. The old man looks after his life and she is 2 worried about anything. And she is very 3 . Just like some old people, Mrs Black finds that her 4 is falling. Sometimes she forgets what she did or will do. It often gets her in trouble. Her 5 noticed (注意到) it and asked her to see the famous doctor who lives in the capital. He bought two tickets (票) 6 London and told her to put 7 into her handbag while she was playing the piano. The next morning, when they got to the 8 just catch on the plane, Mrs Black said, " I wish we'd brought the 9 with us." "Don't be a fool, dear!" said Mr. Black. "We are not going to hold a concert, but see a 10 ." | ||||
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