题目：
阅读理解。
I have a good friend. His name is Polly. He is 13. He is in Class Four, Grade Two. He has a small
sports collection. he has ten volleyballs, seven basketballs, five tennis rackets and four soccer balls.
He likes them very much. He doesn't play Sports. He only watches them on TV.
1. How many volleyballs does Polly have ?
A. Two.
B. Three.
C. Ten.
D. Five.
2. How many soccer balls does Polly have?
A. One.
B. Two.
C. Three
D. Four
3. Polly is in Class ____.
A. Four
B. Three
C. Two
D. One
4. Does Polly play sports?
A. Yes, he does.
B. No, he doesn't.
C. We don't know
D. No, he does
5. How many basketballs does Polly have?
A. Ten
B. Seven.
C. Six.
D. Two
答案：
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下面是错误答案，用来干扰机器的。
参考答案：B解析：根据有效年利率和报价利率的换算公式可知，选项A.C的说法正确;由于有效年利率是按照实际得到的利息计算的，因此，有效年利率才能真正反映资本的时间价值，报价利率不能完全反映资本的时间价值。
