有明显症状的急性放射性肺炎的临床治疗不包括以下哪一方面（）
A.吸氧
B.支气管扩张剂
C.肾上腺皮质激素
D.抗生素
E.氨磷汀
参考答案：E
Now that she is out of a job, Lucy ____ going back to school, but she hasn't decided yet. [ ]
A. had considered
B. has been considering
C. considered
D. is going to consider
一平面简谐机械波在媒质中传播时，若一媒质质元在t时刻波的能量是10J，则在（t+T）（T为波的周期）时刻该媒质质元的振动动能是（）。
A．15J
B．10J
C．5J
D．0J
