架空光缆的吊线常采用的规格为（）的镀锌钢绞线。A、7/1.2mm B、7/1.8mm

诊断急性非淋巴细胞白血病M2a型的标准是（）

A.骨髓中原始粒细胞占比30%～89%（NEC.

B.骨髓中原始粒细胞占比≥90%（NEC.

C.骨髓中原始粒细胞占比≥180%（NEC.

D.骨髓中原始粒细胞占比≥70%（NEC.

E.骨髓中原始粒细胞占比≥30%（NEC.

我国肺动脉栓塞最常见病因是（）。

A.血栓

B.心脏病

C.肿瘤

D.妊娠分娩

E.遗传因素

男性，24岁，癫痫大发作半年，每月4～5次。既往：10年前（14岁时）右侧头部外伤史，当时右额顶部凹陷性骨折，下凹0.8cm，当时无阳性体征，未行手术。此次入院CT示右额顶区有一高密度阴影，直径0.5cm大小，其周围有低密度区，无占位效应。

CT示右额顶区有一直径0.5cm大小高密度阴影，最可能的是（）

A.出血

B.梗死

C.肿瘤

D.增生的颅骨

E.骨折的碎片

以下哪类动作不属于武术跳跃动作（）

A.旋子

B.旋风脚

C.弹腿

D.踹腿

Although the bulk of industry resources and energies have focused on developing the fastest (11) or slickest (12) , more and more mindshare is turning to the evolution of the computer interface. Advancements in the areas of input devices, (13) processing and virtual reality could lead to fundamental changes in the way human and computer interact. The technological battlefield of the future will be adding layers between the user and the raw machine to make the (14) as invisible as possible. (15) represents the next evolutionary step for the interface.

A．microprocessor

B．operating systems

C．voice

D．virtual reality