问题
判断题
当肿瘤处于迅速发展阶段，肿瘤广泛浸润时，手术前应考虑先行术前放射或化学药物治疗。
答案
参考答案：对
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当肿瘤处于迅速发展阶段，肿瘤广泛浸润时，手术前应考虑先行术前放射或化学药物治疗。
参考答案：对
An analyst does research about central tendency and gathers the following information about a company:
| Year | Earnings per Share | Market Price per Share | Price-to-Earnings Ratio |
| 2009 | $4.00 | $28 | 7.0 |
| 2010 | $2.00 | $22 | 11.0 |
| 2011 | $3.00 | $19.5 | 6.5 |
A. 7.74
B. 7.94
C. 8.17