下列关于杂环胺化合物表述不正确的是（）。 A.通过改变不良烹调方式来预防 B.高温烹

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.

21（）

A.artifacts

B.use-cases

C.actors

D.workers

蓖麻籽的出油率是45%，要榨出蓖麻油270千克，需要蓖麻籽多少千克？有蓖麻籽1500千克，可榨出蓖麻油多少千克？

关于干酪性肺炎的叙述正确的是（）

A.属于继发性肺结核常见的类型

B.易发生在免疫力过强或变态反应过低的病人

C.病变性质为渗出性炎

D.常由浸润型肺结核恶化进展产生

E.由慢性纤维空洞型肺结核经血行播散所致

下面关于报表对数据的处理的叙述正确的选项是______。

A．报表只能输入数据

B．报表只能输出数据

C．报表可以输入和输出数据

D．报表不能输入和输出数据

架空线路为公网及专线时，定期巡视周期为每季一次。（）