When you open a file or run a program in a computer, a window appears on the desktop of your computer. The (67) of the window indicates which program you are currently working in arid its color will become blue if a window is active. When you click on The (68) , the window disappears and appears as a button on the taskbar. Clicking on a button in (69) will invoke a specific command.

A．control menu

B．control bar

C．title menu

D．status bar

男性，24岁。以"发热伴乏力、盗汗、右侧胸痛半个月，气短3天"为主诉入院。查体：最高体温38.0℃，右下肺叩诊浊音，听诊呼吸音消失。心率96次／分，律整。

胸腔积液造成的呼吸困难与哪项有关（）

A.患侧膈肌受压

B.运动

C.胸廓顺应性下降

D.咳嗽

E.纵隔移位

F.肺容量下降

G.支气管痉挛

H.气道黏膜充血、水肿

I.毛细血管床大量破坏