图是研究光电效应的装置,用一定频率的光束照射金属板K，有粒子逸出，则 A．逸出

用于单模传输，光传输时衰耗最小的波长是（）nm。

男性，65岁。冠心病心绞痛史8年，无高血压史，夜间突发心前区疼痛8小时入院。入院时血压为150/90mmHg，经心电图检查，诊断为急性前壁心肌梗死。

第2日患者血压下降70/50mmHg，出冷汗、面色苍白，窦性心律，HR120次／分，双肺底少许湿啰音。此时患者发生了（）

A.急性右心衰

B.心源性休克

C.急性全心衰

D.急性左心衰

E.感染性休克

红霉素的主要不良反应除胃肠道反应外还有

A．肝、肾损害

B．局部刺激性强、肝损害

C．肾损害、局部刺激性强

D．骨髓抑制、肝损害

E．骨髓抑制、局部刺激性强

Future Computer Trends:
The components of a PC will be built into the (6) and large plasma or electroluminescent flat panel display hanging on a partition wall will act as both a (7) and videophone display.
A high resolution, touch sensitive LCD (8) into desktop will allow pan-based pointing and data input. In the home, meanwhile, computers will become as ubiquitous as TVs.
Computer interfaces will be far friendlier than (9) graphical user interfaces (GUI) of today. Computers will use "human interfaces" based on multimedia.
RISC microprocessors will finally obliterate the ever thinning gap between workstations and PCs. Similar advances in nonvolatile flash memory will lead to the replacement of magnetic (10) disks with electronic "silicon disks".

A．desk

B．monitor

C．built

D．mouse-driven

应用数学工具和现代计算技术，对军事问题进行定量分析，为决策提供数量依据的一种科学方法是指（）。

A.军事统计学

B.军事统筹学

C.军事运筹学

D.军事测量学