试述血栓闭塞性脉管炎的临床分期。

The Rational Unified Process (RUP) is a software engineering process, which captures many of best practices in modern software development. The notions of (21) and scenarios have been proven to be an excellent way to capture function requirements. RUP can be described in two dimensions - time and content. In the time dimension, the software lifecycle is broken into cycles. Each cycle is divided into four consecutive (22) which is concluded with a well-defined (23) and can be further broken down into (24) - a complete development loop resulting in a release of an executable product, a subset of the final product under development, which grows incrementally to become the final system. The content structure refers to the disciplines, which group (25) logically by nature.

A．rounds

B．loops

C．iterations

D．circularities

骨肿瘤的基本X线征象不包括（）

A.骨质破坏

B.软骨破坏

C.椎旁脓肿

D.瘤骨和瘤软骨

E.肿瘤的反应骨

北方某洗衣机厂为增值税一般纳税人，2008年 9月份发生以下业务： (1)在本地销售洗衣机1000台，每台不含税价款2000元，发送给本企业职工活动中心自产洗衣机10台。(2)月末向外地分支机构发出300台洗衣机，为下月销售储备。支付给运输企业运费5000元，其中装卸搬运费800元，运输企业将运费发票开给外地分支机构。(3)本月外购原材料，取得防伪税控系统开具的增值税专用发票上注明税金34000元，货已入库，但发票尚未到税务机关认证；另有上月底接受投资的一批洗衣机电机，取得投资方开来的防伪税控系统增值税专用发票上注明税金85000元，本月经税务机关认证。(4)本月生产过程中出现废品10台，共耗外购原材料成本10000元；生产过程中合理损耗辅料的成本6000元，本期购进废旧物资一批，废旧物资发票上注明价款 28000元。(5)本月生产经营用水取得水厂开具专用发票上注明价款150000元，用电取得电厂开具专用发票上注明价款350000元，发票均经过税务机关认证。则该企业本月应纳增值税为( )元。

A．275400

B．291900

C．291606

D．289100

同步发电机带容性负载时，其调整特性是一条（）

A.上升的曲线

B.水平直线

C.下降的曲线

健脾丸的功用是（）

A.健脾和胃，消食止泻

B.健脾消痞

C.消痞除满，健脾和胃

D.消食和胃

E.分消酒食，理气健脾