对心力衰竭的病人最好是在心力衰竭控制多长时间后进行择期手术（）。
A.3日以后
B.1周之后
C.2周之后
D.3～4周之后
E.1个月之后
参考答案：D
Tom ________ his father and his father________ young.
A．looks like, looks like
B．looks like, looks
C．looks, looks like
D．looks, looks
平均指数
