急性心力衰竭：是指由于急性心脏病变引起心排血量急骤降低，导致组织器官灌注不足和急性淤血的临床综合症，为常见循环系统急症。
参考答案：对
When he turned professional at the age of 11, Mike to become a world champion by his
coach and parents. [ ]
A. expected
B. was expecting
C. was expected
D. would be expected
（）是养老保险最直接、最根本的目标。
