叩诊，肝浊音界消失，首先想到的疾病是（）
A.肝硬化
B.急性肝坏死
C.暴发性肝炎
D.胃肠胀气
E.胃肠穿孔
参考答案：E
物理学的基本原理在生产、生活中有着广泛的应用，下面列举的四种电器中，利用了电磁感应的是
A．电饭煲
B．微波炉
C．电磁炉
D．白炽灯泡
—What do you think of memory?
—When _____ happens, our memory usually works well. [ ]
A. dramatic something
B. dramatic anything
C. something dramatic
D. anything dramatic
