月经后期是指月经延迟多少天以上
A.7B.5C.14D.28E.30
参考答案:A
解析:[评析] 月经周期延后7天以上,甚至错后3~5个月一行,而经期正常者,称为“月经后期”。
建设单位委托施工阶段的监理,工程监理企业只能根据委托监理合同和( )对施工行为实行监理。
A.建设单位的委托
B.施工单位的施工组织设计
C.施工合同
D.设计合同及设计文件
Tragedies have a way of making people rethink their (1) and find a new focus. They make people think about what a society needs in order to (2) . The notion of doing something to take control of society or of our fate as humans might be dated back to ancient times of the (3) . Now, in the early 21st century, " social (4) " are trying to take back some (5) over society’s direction once again. A social inventor is not necessarily a social (6) , a social (7) or someone who works in a (8) industry or invents new (9) and consumer products. A social inventor is using the power of (10) thinking, to come up with ideas for (11) in certain communities or sections of society. They have a vision of a (12) world and create new systems or practices. Their ideas may seem (13) or impossible. They are usually quite (14) people. But some of these creative thinkers have (15) and quietly changed the way we live. Social inventions do not have to be (16) . Sometimes they are new (17) for neighborhoods or communities, or even very (18) ideas. The idea of social inventions has become so popular in recent years. It shows how much people desire to make a (19) in our society and not remain (20) .