VBA数据类型符号“&”表示的数据类型是______。A．整数 B．长整数 C．单精

HTTP协议采用TCP通讯方式，默认端口是（）.

A.80

B.8080

C.110

D.25

以下是有关公司三月份生产情况的成本数据：直接材料：100，000美元直接人工：80，000美元测试与检验：6，400美元废料与重新加工：16，800美元质量计划：2，800美元客户投诉与退货4，000美元该公司三月份的销售额为400，000美元。公司应用质量总成本除以销售金额的方法来计算质量成本指数（QCI）。该公司三月份的质量成本指数（QCI）为：（）

A.5.9%

B.6.5%

C.7.5%

D.22%

女性患者，52岁，5年前确诊为肝炎后肝硬化，1年前出现上腹部隐痛，食欲下降。1d前进食排骨后呕吐暗红色血液约850ml，排不成形黑便4次，量约400ml。最可能的出血原因是

A．食管胃底静脉曲张破裂

B．急性胃黏膜病变

C．胃癌

D．胆道出血

E．食管癌

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) .

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) .

“志不强者智不达，言不信者行不果”。是说做人要意志坚定，遵守信用。下面哪句话与这句话的意思相近？（）

A.不以规矩，不成方圆

B.己所不欲，勿施于人

C.子非鱼，安知鱼之乐

D.原浊者流不清，行不信者名必耗