题目内容

X线诊断大叶性肺炎最正确的是（）

A. 大片实变区内伴有多个空洞
B. 球形高密度影，内部可见透亮区
C. 双肺多发小斑片状阴影，伴有明显的肺气肿
D. 肺野大片状阴影，其中可见含气支气管，边界模糊
E. 肺内圆形阴影，边缘模糊，伴有肺门增大

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掘进爆破炮眼的种类按其用途和位置不同，可分为（）

A. 掏槽眼
B. 辅助眼
C. 周边眼
D. 底眼

简述正常血压范围。

以下不是瘿痈的特征是（）。

A. 急性发病
B. 甲亢
C. 疼痛
D. 局部灼热
E. 肿胀

VRML is a（1）for 3D multimedia and shared virtual worlds on the WWW. In comparison to HTML, VRML adds the next level of interaction, structured graphics, and extra（2）（z and time） to the presentation of documents. The applications of VRML are（3）,ranging from simple business graphics to entertaining WWW page graphics, manufacturing, scientific, entertainment, and educational applications, and 3D shared virtual worlds and communities. X3D is the name under which the development of VRML is continued. X3D is based on XML and is backwards（4）with VRML. Furthermore, it is componentized, profiled, and extensible, which makes it possible to use X3D in very different（5），from high-end visualizations to lightweight applications.空白（2）处应选择（）

A. subject
B. object
C. dimensions
D. disconnection