按《铁路技术管理规程》列车运行等级顺序，军用列车属于（）。A.三等 B.五等 C.七

Structured programming practices (1) rise to Pascal, in which constructs were introduced to make programs more readable and better (2) . (3) provided a combination of assembly language and high-level structure to create a general-purpose language that could be used from system to application programming. Next came object orientation, which is (4) of a methodology and design philosophy than a language issue. This is (5) by the addition of so-called OO extensions to current languages, such as application.

（1）（）

A.giving

B.given

C.gave

D.gives

低位小肠梗阻的临床特点应为（）

A.腹胀，呕吐明显，可有吐粪，排便、排气停止

B.以腹痛、呕吐不明显，无排便，排气停止

C.无呕吐，排便、排气停止为著，腹痛轻微，无腹胀

D.有腹痛、呕吐及排便、排气停止，无腹胀

E.以腹痛和腹胀为主，无呕吐，无排气，排便停止

有人说，十六岁的高中生，既是成熟的孩子，又是幼稚的青年。在成长的过程中，我们已懂得了很多。

请在下面题目的空格中填入一个词语，写一篇不少于800字的记叙文。

题目：生活，教我懂得了                    

肾脏激素包括

A．肾素

B．红细胞生成素

C．胰舒血管素

D．前列腺素

E．类固醇激素

男，30岁，右下颌骨体进行性膨大，X线示右下颌骨体呈蜂房状，最可能的诊断是（）

A.角化囊肿

B.成釉细胞瘤

C.颌骨中心性癌

D.颌骨骨髓炎

E.颌骨骨肉瘤