依次填入下面横线处的语句，与上下文衔接最恰当的一组是[ ] “中国结”的全称是“

五音中的商配五行和五色中的和

A、金

B、青

C、红

D、白

E、水

当前，南海问题引起我国政府和人民的高度关注。南海是我国固有的领海，它蕴藏着丰富的石油、天然气、可燃冰等资源，其中天然气的主要成分是（　　）

A．氢气

B．一氧化碳

C．甲烷

D．氧气

The Rational Unified Process (RUP) is a software engineering process, which captures many of best practices in modern software development. The notions of (1) 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 (2) which is concluded with a well-defined (3) and can be further broken down into (4) -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 (5) logically by nature.

空白（5）处应选择（）

A.functions

B.workflows

C.actions

D.activities

局限期小细胞肺癌3个周期化疗后，肿块明显缩小，讨论进一步治疗意见不一，你认为如何最好（）

A.术后放化疗

B.先化疗/放疗后手术

C.放化疗同时进行（Ewing瘤模式）

D.不能手术的病人先化疗或放疗后手术

E.化放疗加生物治疗

最适合用牛角钳拔除的牙齿是

A．上颌第一磨牙

B．有三个根的下颌第一磨牙

C．有两个根的下颌磨牙

D．牙冠破坏较大或有大充填物的上颌磨牙

E．C+D