宏是一个或多个 ______ 的集合。A．事件 B．操作 C．关系 D．记录

During a team meeting，a team member asks about the measurements that will be used on the project to judge performance．The team member feels that some of the measures related to activities assigned him are not valid measurements．The project is BEST considered in what part of the project management process ？（）

A．Closin

B．Monitoring and controllin

C．Executin

D．Initiatin

When asked why he went there, he said he was sent there __________ for a space flight.

A．training

B．being trained

C．to have trained

D．to be trained

下列各组物质的性质比较中不正确的是

A．热稳定性：SiH₄＞PH₃＞H₂ S

B．酸性：HClO₄＞H₂SO₄＞H₃ PO₄

C．碱性：NaOH＞Mg(OH)₂＞AI(OH)₃

D．氧化性：F₂＞C1₂＞Br₂

“价格革命”给16世纪的欧洲带来的变化有

①金银价值下降，物价猛涨②新兴工商业资产阶级获取暴利

③封建主势力加强④劳动人民日益贫困[ ]

A．①②③

B．②③④

C．①②④

D．①③④