肺部叩诊出现实音应考虑的疾病是
A．肺炎
B．胸膜炎
C．肺空洞
D．肺气肿
E．大量胸腔积液
参考答案：E
We have a lot of _____ at Senior High School, and at the same time the _______ in studying we have made is rapid.
A．funs, progress
B．funnies, progesses
C．funs, progress
D．fun, progress
A．当单刀双掷开关与a连接时，电压表的示数为22V
B．当单刀双掷开关与b连接时，电压表的示数为11V
C．当单刀双掷开关与a连接，滑动变阻器触头P向上移动的过程中，电压表的示数不变，电流表的示数变大
D．单刀掷开关由a扳向b时（滑动变阻器触头P不动），电压表和电流表的示数均变大
sin
V