“小泡征”提示哪种疾病()
A．周围型肺癌，尤其是支气管肺泡癌
B．中心型肺癌
C．肺气肿
D．肺结核
E．肺脓肿
参考答案：A
People believe that the China Dream is not very difficult ____ so long as the whole nation works hard for it.
A．realizing
B．to be realized
C．realized
D．to realize
