期货经营机构向普通投资者销售或者提供高风险等级的产品或服务时,应当履行的适当性义务有 ( )。
【背景资料】
某泵站工程施工招标文件按照《水利水电工程标准施工招标文件》(2009年版)和《水利工程工程量清单计价规范》(GB50501200)编制。专用合同条款约定:泵站工程的管理用房列为暂估价项目,金额为1200万元。增值税税率为9%。
投标人甲结合本工程特点和企业自身情况分析,讨论了施工投标不平衡报价的策略私利弊,其编制的投标文件部分内容如下:
已标价的工程量清单中,钢筋制作与安装单价分析表(部分)见表4。
表4钢筋制作与安装单价分析表(单位:1t)

投标人乙中标承建该项目,合同总价19600万元。合同中约定:工程预付款按签约合同价的10%支付,开工前由发包人一次性付清;工程预付款按照公式
扣还,其中F_1=20%,F_2=80%;承包人缴纳的履约保证金兼具工程质量保证金功能,施工进度付款中不再扣留质量保证金。
工程实施期间发生如下事件:
事件一:施工过程中,发现实际地质情况与发包人提供的地质情况不同,经设计变更,新增了地基处理工程(合同工程量清单中无地基处理相关子目)。各参建方及时办理了变更手续。
事件二:截至工程开工后的第10个月末,承包人累计充成合同金额14818万元,第11个月经项目法人和监理单位审核批准的合同金额为1450万元。
事件三:项目法人主持了泵站首台机组启动验收,工程所在地区电力部门代表参加了验收委员会。泵站机组带额定负荷7天内累计运行了42小时,机组无故障停机次数3次。在机组启动试运行完成前,验收主持单位组织了技术预验收。
【背景资料】
施工单位承接了某丘陵区一级公路路基施工任务。施工单位编制了路基施工组织设计,并对施工组织设计进行了优化,重点优化了施工方案,主要包括施工方法的优化、施工作业组织形式的优化、施工劳动组织的优化。技术人员根据路基横断面计算出土石方的“断面方数”, 经复核后,进行土石方纵向调配。调配时考虑到技术经济条件,尽量在经济合理的范围内移挖作填,使路堑和路堤中土石方数量达到平衡,减少了弃方与借方。全标段路基挖方土质为普通土,平均运距50m的土方有150000m³,平均运距200m的土方有100000m³,平均运距3000m的土方有80000m³ K5+630~K5+810的平均挖方深度7m左右,施工单位采用的某一开挖断面示意如图1,要求上下错台同时掘进。
施工准备中,施工单位对逆作为路基填料的土样按《公路土工试验规程》的要求迸中心实验室世行标准试验,以计算最佳含水量和最大干密度,并通过其他相关试验确定了土的塑限、液限、塑性指数、最大粒径、有害物质含量,最后将试验结果以书面形式报告监理工程师备案。
【背景资料】A公司承接了3.5km城市主干道工程施工,道路结构、横断面如下图所示。
西侧道路路中位置有雨水管线,路基和基层施工中将雨水检查井和雨水口周围的施工作为本次施工的重点,要求采取可靠的措施保证压实度。
路面施工过程中,施工单位对上面层的压实十分重视,确定了质量控制关键点,并就压实工序做出如下书面要求:①初压采用双钢轮振动压路机静压1~2遍,初压开始温度不低于140℃;②复压采用双钢轮振动压路机,碾压采取低频率、高振幅的方式快速碾压,为保证密实度,要求振动压路机碾压4遍;③终压采用轮胎压路机静压1~2遍,终压结束温度不低于80℃;④为保证搭接位置路面质量,要求相邻碾压重叠宽度应大于30cm;⑤为保证沥青混合料碾压过程中不粘轮,应用洒水车及时向混合料喷雾状水。
因改性SMA面层不能当天完成, 需在面层上留设横向冷接缝, 施工单位对接缝位置按照相关规范进行了处理。

Read the following text and match each of the numbered items in the left column to its corresponding information in the right column. There are two extra choices in the right column. Mark your answers on the ANSWER SHEET. (10 points)
The decline in American manufacturing is a common refrain, particularly from Donald Trump. “We don’t make anything anymore,” he told Fox News, while defending his own made-in-Mexico clothing line.
Without question, manufacturing has taken a significant hit during recent decades, and further trade deals raise questions about whether new shocks could hit manufacturing.
But there is also a different way to look at the data.
Across the country, factory owners are now grappling with a new challenge: Instead of having too many workers, they may end up with too few. Despite trade competition and outsourcing, American manufacturing still needs to replace tens of thousands of retiring boomers every year. Millennials may not be that interested in taking their place. Other industries are recruiting them with similar or better pay.
For factory owners, it all adds up to stiff competition for workers – and upward pressure on wages. “They’re harder to find and they have job offers,” says Jay Dunwell, president of Wolverine Coil Spring, a family-owned firm. “They may be coming [into the workforce], but they’ve been plucked by other industries that are also doing as well as manufacturing,” Mr. Dunwell has begun bringing high school juniors to the factory so they can get exposed to its culture.
At RoMan Manufacturing, a maker of electrical transformers and welding equipment that his father cofounded in 1980, Robert Roth keeps a close eye on the age of his nearly 200 workers. Five are retiring this year. Mr. Roth has three community-college students enrolled in a work- placement program, with a starting wage of $13 an hour that rises to $17 after two years.
At a worktable inside the transformer plant, young Jason Stenquist looks flustered by the copper coils he’s trying to assemble and the arrival of two visitors. It’s his first week on the job. Asked about his choice of career, he says at high school he considered medical school before switching to electrical engineering. “I love working with tools. I love creating,” he says.
But to win over these young workers, manufacturers have to clear another major hurdle: parents, who lived through the worst US economic downturn since the Great Depression, telling them to avoid the factory. Millennials “remember their father and mother both were laid off. They blame it on the manufacturing recession,” says Birgit Klohs, chief executive of The Right Place, a business development agency for western Michigan.
These concerns aren’t misplaced: Employment in manufacturing has fallen from 17 million in 1970 to 12 million in 20When the recovery began, worker shortages first appeared in the high-skilled trades. Now shortages are appearing at the mid-skill levels.
“The gap is between the jobs that take no skills and those that require a lot of skill,” says Rob Spohr, a business professor at Montcalm Community College. “There’re enough people to fill the jobs at McDonalds and other places where you don’t need to have much skill. It’s that gap in between, and that’s where the problem is.”
Julie Parks of Grand Rapids Community College points to another key to luring Millennials into manufacturing: a work/life balance. While their parents were content to work long hours, young people value flexibility. “Overtime is not attractive to this generation. They really want to live their lives,” she says.
| says that he switched to electrical engineering because he loves working with tools. |
Jay Dunwell | points out that there are enough people to fill the jobs that don’t need much skill. |
Jason Stenquist |
points out that the US doesn’t manufacture anything anymore. |
Birgit Klohs |
believes that it is important to keep a close eye on the age of his workers. |
Rob Spohr | [E] says that for factory owners, workers are harder to find because of stiff competition. |
Julie Parks | [F] points out that a work / life balance can attract young people into manufacturing. |
| [G] says that the manufacturing recession is to blame for the lay-off of the young people’s parents. |
The students union of your university has assigned you to inform the international students about an upcoming singing contest. Write a notice in about 100 words.
Write your answer on the ANSWER SHEET.
Do not use your own name in the notice. (10 points)
【背景资料】
某热力管线暗挖隧道,长1.4km,断面有效尺寸为3.2m×2.8m,埋深3.5m。隧道穿越地层为砂土层和砂砾层,除局部有浅层滞水外,无须降水。
承包方A公司通过招标将穿越砂砾层段468m隧道开挖及初期支护分包给B专业公司。
B公司依据A公司的施工组织设计,进场后由工长向现场作业人员交代了施工做法后开始施工。
施工后,B公司在距工作竖井48m时,发现开挖面砂砾层间有渗水且土质松散,有塌方隐患。B公司立即向A公司汇报。经有关人员研究,决定采用小导管超前加固技术措施。B公司采用劈裂注浆法,根据以往经验确定注浆量和注浆压力,注浆过程中地面监测发现地表有隆起现象,随后A公司派有经验的专业技术人员协助B公司研究解决。
质量监督部门在工程竣工前例行检查时,发现A公司项目部工程资料中初期支护资料不全,部分资料保留在B公司人员手中。
某市政建设公司承建某市政桥梁工程2号高架桥采用5跨连续,跨度为30m+3*100m+30m,变截面箱梁结构,边跨采用门式支架法施工,其余采用悬臂挂篮施工,合龙分段示意图如图所示。施工中按照对称、交错的原则分三个批次合龙。

事件一:第3跨合龙段施工方案涉及以下施工工序,①压载配重;②合龙段吊架就位;③锁定劲性骨架;④吊架底模和侧模初步固定;⑤吊架底模和侧模紧固到位;⑥拆除劲性骨架;⑦穿所有预应力束;⑧安装顶板钢筋及波纹管;⑨浇筑混凝土并逐步卸载配重;⑩安装内侧模和内顶模;⑪孔道张拉灌浆;⑫安装底板腹板钢筋及波纹管。
施工工序如下:2→?→12→?→?→1→3→?→?→7→?→6
事件二:第2跨悬臂挂篮浇筑施工过程中,0号段施工完毕,1号段施工搭设模板需要确定悬臂浇筑段前端标高。
事件三:监理工程师巡视时发现,第2跨合龙时,支座2和支座3均处于临时锚固状态,要求整改。
事件四:第3跨合龙段为2米,合龙段梁体钢筋混凝土自重40吨,合龙时施工荷载10吨。两侧压重采用水箱。
Suppose you won a translation contest and your friend, Jack, wrote an email to congratulate you and ask for advice on translation. Write him a reply to
1) thank him, and
2) give your advice.
You should write about 100 words on the ANWSER SHEET.
Do not use you own name. Use “Li Ming” instead.
Do not write your address. (10 point)
【背景资料】
某公司承建的市政道路工程,长2km,与现况道路正交,合同工期为2015年6月1日至8月31日。道路路面底基成设计为300mm水泥稳定土;道路下方设计有一条DN1200mm钢筋混凝土雨水管道,该管道在道路交叉口处与现状道路下的现有DN300mm燃气管道正交。
施工前,项目部现场时,发现雨水管道上部外侧管壁与现状燃气管道底间距小于规范要求,并向建设单位提出变更设计的建议。经设计单位核实,同意将道路交叉口处的Y1-Y2井段的雨水管道变更为双排DN800mm双壁波纹管,设计变更后的管道平面位置与断面布置如图1-1、1-2所示。项目部接到变更后提出了索赔申请,经计算,工程变更需要增加造价10万元。

为减少管道施工队交通通行的影响,项目部制定了交叉路口的交通导行方案,并获得交通管理部门和路政管理部门的批准。交通导航措施的内容包括:
(1)严格控制临时占路时间和范围;
(2)在施工区域范围内规划了警告区、终止区等交通疏导作业区域;
(3)与施工作业队伍签订了《施工安全责任合同》。
施工期间为雨季,项目部针对水泥稳定土底基层的施工置顶了雨期施工质量控制措施如下:
(1)加强与气象站联系,掌握天气预报,安排在不下雨时施工;
(2)注意天气变化,防止水泥和混合料遭雨淋;
(3)做好防雨准备,在料场和搅拌站搭雨棚;
(4)降雨时应停止施工,对已摊铺的混合料尽快碾压密实。
【背景资料】2020年灯塔国推行大麻合法化的某州曾经发生一起骇人听闻的重特大化工安全生产事故,事故导致25人死亡、103人受伤(包括重伤35人、急性中毒25人,深度烧伤患者10人)、村镇上千名居民紧急撤离。
事故工段属于PVC聚合工段,整体工艺极其简单:
(1)乙炔和氯化氢经加成反应制备氯乙烯,氯乙烯一次经过碱洗、提纯、吸附后泵入氯乙烯储罐;
(2)氯乙烯介质经过三级压缩机增压打入聚合反应釜合成聚氯乙烯。
聚合工段属于甲类厂房设备布置如下:
原设置20台并联聚合反应釜,每四台反应釜之间利用室内防火墙分隔(3.0h耐火极限),2001年车间拆除室内防火墙并增设四台新聚合反应釜。现场操作室设置在二层平台,监测系统工艺参数并适时调控。反应完成后,操作工人由室内楼梯步行至一层打开反应釜卸料阀物料引入下端工序。卸料结束后,操作工人回到楼上,使用高压水枪冲洗反应釜沉积物,随后再回到楼下同时打开反应器卸料阀和排放阀,将内部污水由污水沟引至废水处理工段。
依据现在的安全审查,上述作业行为存在安全隐患,污水由反应釜直接引出会夹杂大量爆炸性蒸汽,随操作人员的周期性卸料导致车间反复出现爆炸性混合物。
依据相关资料显示,工艺设备和安全联锁关系的本质安全性条件较好,理论上事故可能性极低,依据事故经历者还原事故大致如下:
(1)事发当天,新上岗的操作人员T冲洗完R306反应釜后,按要求下楼进行反应釜排污;
(2)因设备布置复杂,本应打开R306反应物的底阀和排放阀结果误开R308反应釜(正在反应中)的阀门;
(3)设备的本质安全性条件好,底阀属于安全联锁阀(体系内压力超标时,阀门一直处于自锁紧关闭状态),作业人员打开排放阀后发现阀门不出料,认为是阀门安全联锁故障于是将安全联锁系统隔离后手动打开底阀(期间一直未检查阀门的工作状态、反应釜的工艺参数)。
(4)阀门开启瞬间,大量介质外泄(目击者描述物料冲击力导致事故面形成类似飞机引擎的轰爆声),泄漏的氯乙烯介质迅速触发了现场的可燃气体探测系统;
(5)班长听到声光警报信号随即事故面(地面已经积蓄30cm深度的泡沫混合物),班长认为他能阻止事故蔓延扩散于是涉险穿越事故面进入二层平台。
(6)班长立即停止了反应釜的进料尝试降低体系压力,尝试远程关闭底阀但并未见效,于是要求事故面的30多名作业人员一起完成疏散撤离,但是首层已经弥漫大量爆炸性氯乙烯蒸汽已经不具备撤离条件。
大约25min后现场发生首次爆炸,因设备间的安全距离不足最终导致事故面多台聚合反应釜连锁爆炸,厂房整体垮塌,现场作业人员被掩埋应急施救难度极大。
据事故现场调查分析显示,首次爆炸推测应发生在R308反应釜的卸料阀处(存在明显的灼烧爆炸痕迹)。
依据上述案例背景,回答下列问题: