问题
单项选择题
甲型肝炎最有效的预防措施是
A．隔离患者
B．搞好三管一灭
C．注射甲肝疫苗
D．注射丙种球蛋白
E．流行期间服用板蓝根
答案
参考答案：C
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甲型肝炎最有效的预防措施是
A．隔离患者
B．搞好三管一灭
C．注射甲肝疫苗
D．注射丙种球蛋白
E．流行期间服用板蓝根
参考答案：C
An analyst does research about price multiples and gathers the following information about three companies in the same industry:
| Earnings Retention Ratio | Required Rate of Return | |
| Company 1 | 30% | 8% |
| Company 2 | 40% | 9% |
| Company 3 | 50% | 10% |
A. Company 1.
B. Company 2.
C. Company 3.