二次均压用氮气对人体没有毒害。（）

2012年4月15日，央视《每周质量报告》曝光了制药企业的毒胶囊事件，素胶囊中重金属铬含量严重超标，铬是一种毒性很大的重金属，具有致癌性并可能诱发基因突变，毒胶囊中有毒物质很多，重铬酸钾（K₂C₂O₇）就是其中一种，K₂Cr₂O₇中铬（Cr）元素的化合价为（　　）

A．+2

B．+3

C．+6

D．+5

一家长带小孩来医院进行体格检查，该患儿体格检查结果如下：体重10.5kg，身长80cm，前囟已闭，出牙12颗，胸围大于头围。患儿父母体健，双亲无遗传病史，患儿出生后正常，母乳喂养至6个月后改人工喂养，按时添加辅食。既往体健，无创伤及惊厥史。经一系列检查，患儿无遗传代谢、内分泌疾病，智力正常。

衡量该小儿营养状况的最佳指标是（）

A.体重

B.身长

C.上、下部量

D.坐高

E.头围

有关秦岭一淮河一线的叙述，正确的是[ ]

A．一月0℃等温线通过的地方

B．季风区和非季风区的界线

C．热带和亚热带的界线

D．地势二、三级阶梯的界线

Clare, Dan and Eve formed a partnership 10 years ago, although Clare was a sleeping partner and never had anything to do with running the business. Last year Dan retired from the partnership. Eve has subsequently entered into two large contracts. The first one was with a longstanding customer Greg, who had dealt with the partnership for some five years. The second contract was with a new customer Hugh. Both believed that Dan was still a partner in the business. Both contracts have gone badly wrong leaving the partnership owing ￡50,000 to both Greg and Hugh. Unfortunately the business assets will only cover the first ￡50,000 of the debt.Required:Explain the potential liabilities of Clare, Dan, and Eve for the partnership debts. (10 marks)

国务院《关于加快构建大众创业万众创新支撑平台的指导意见》要求，建立完善信用标准化体系，制定四众发展信用环境相关的关键信用标准，规范信用信息、处理、（）、（）、（）交换、（）和服务。

A.采集

B.评价

C.应用

D.共享