结构化生命周期的基本思想是系统工程的思想和工程化的方法，按______自顶向下地对系

—What a large sculpture!

—Oh, it                  seven metres high.

A．measures; as many as

B．is measured; as much as

C．measures; as much as

D．is measured; as many as

准确度反映了测量结果中（）误差大小的程度。

A、粗大

B、系统

C、随机

D、相对

慢性单纯性鼻炎与慢性肥厚性鼻炎的病理变化的主要区别是（）

A.血管通透性增加

B.血管周围淋巴细胞浸润

C.鼻黏膜动、静脉扩张

D.血管周围浆细胞浸润

E.下鼻甲骨增生、肥厚

急性心肌梗死的治疗原则。

某0.4m×0.4m预制桩，桩长22m，土层分布：0～6m淤泥质黏土，q_sik=100kPa；6～17m黏土，q_sik=55kPa；17～22m粉砂，q_sik=100kPa，计算基桩抗拔极限承载力接近（）

A.1500kN 

B.1300kN 

C.1400kN 

D.1200kN