关于氧气、二氧化碳和氢气的实验室制法，以下说法正确的是 [ ] A．可以用相同的

Extreme Programming (XP) is a discipline of software development with (71) of simplicity, communication, feedback and courage. Successful software development is a team effort-not just the development team, but the larger team consisting of customer, management and developers. XP is a simple process that brings these people together and helps them to succeed together. XP is aimed primarily at object-oriented projects using teams of a dozen or fewer programmers in one location. The principles of XP apply to any (72) project that needs to deliver quality software rapidly and flexibly.

An XP project needs a(an) (73) customer to provide guidance. Customers, programmers, managers, are all working (74) to build the system that's needed. Customers - those who have software that needs to be developed - will learn simple, effective ways to (75) what they need, to be sure that they are getting what they need, and to steer the project to success.

（75）处填（）。

A．tell

B．know

C．communicate

D．feedback

华法林与血浆蛋白的结合率是

A．10%～29%

B．30%～49%

C．50%～69%

D．70%～89%

E．90%～99%

2007年10月29日18时01分，嫦娥一号卫星成功实施入轨后的第三次变轨。30日17时40分，嫦娥一号卫星到达48小时周期轨道远地点，距地面高度12万公里，创下中国航天器飞行测控新纪录。已知地球半径6400公里，则在距地面12万公里高处，嫦娥一号卫星所受地球的万有引力与绕地表面飞行时的万有引力大小之比最接近

A．1：20

B．1：200

C．1：400

D．1：600

下述关于“转移性骨肿瘤”描述中错误的是()

A.甲状腺癌转移者，局部骨可膨胀 

B.膀胱癌多为成骨性转移 

C.支气管肺癌可转移至四肢末梢 

D.肺类癌转移多为成骨性 

E.同一原发灶，可兼有溶骨性、成骨性转移

关于“针眼”，下列论述正确的是（）

A、正品卷烟没有

B、正品卷烟有，但一般不外露

C、假冒卷烟一般都有

D、假冒卷烟有，但一般不外露