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建筑物密集地区的分幅图一般采用1:500比例尺。( )

A. 对
B. 错

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[背景资料] 某城市道路工程，基层采用石灰稳定土，面层采用水泥混凝土。在施工过程中的部分质量控制要点如下。 1．对基层施工的控制要点： (1)基层土颗粒最大粒径不超过40mm； (2)基层细粒土最大粒径不大于10mm； (3)用12t以上压路机碾压，先重型后轻型； (4)严禁用薄层贴补的办法找平基层； (5)养护采用干养，养护期不宜小于7d。 2．对面层施工的控制要点： (1)水泥采用不低于P·O 32.5号的普通硅酸盐水泥； (2)选用碎(砾)石最大粒径不超过50mm； (3)设计混凝土配合比时，以抗折强度设计，以抗压强度检验； (4)混凝土搅拌的最长时间不得超过最短时间的5倍。 [问题] 对面层施工中的控制要点有哪些不妥之处请改正。

Some years ago, Pioneer Hi-bred International, where I was employed, purchased Norand Corporation. Pioneer’s sales representatives used Norand hand-held terminals to upload daily sales information and download new price and sales incentive information. Pioneer bought so many of these hand-held terminals, the economics made the purchase of Norand look interesting. 61)Owning Norand also allowed Pioneer to explore high-technology markets outside agriculture.But after several years, the emerging laptop PC technology made the hand-held units out-of-date. Pioneer sold Norand at a loss. 62)Pioneer always took a given percent of the annual profits to divide equally among all employees,so our profit-sharing checks were lower than if Pioneer had not purchased Norand. Additionally, my Pioneer stock was lower than it had been before the purchase of Norand. I was not pleased.63)The CEO of Pioneer, Tom Urban, made annual formal visits to each of the Pioneer divisions to talk about the state of the business and to listen to employees’ concerns. When he went into the meeting room for his first visit after the sale of Norand, he acknowledged the group, removed his jacket and neatly folded it across the back of the chair. He loosened his tie, undid his collar and rolled up his sleeves. What he said next was the last thing I ever expected to hear a CEO say.He said," I made a mistake buying Norand and I am sorry. I am sorry your profit-sharing was lower because of the purchase, and I am sorry your stock was hurt by the purchase. I will continue to take risks, but I am a bit smarter now, and I will work harder for you. "The room was quiet for a moment be- fore he asked for questions.A great man and leader stood before us that day. 64) As I sat listening to him, I knew I could trust him, and that he deserved every bit of loyalty I could give to him and to Pioneer. I also knew I could take risks in my own job.65)In the brief moment of silence before the questions started, I recalled thinking that I would follow him into any battle. Pioneer always took a given percent of the annual profits to divide equally among all employees,so our profit-sharing checks were lower than if Pioneer had not purchased Norand. Additionally, my Pioneer stock was lower than it had been before the purchase of Norand. I was not pleased.

Ladies and gentlemen,may I have your attention please. On behalf of the Hospitality Department, first I we come you to the City Zoo. Now I’d like to explain the program we’ve arranged for you here this afternoon. There’ be three animal shows. The first show will begin at three o’clock in the marine arena. And you’ll certainly be attracted by the dolphins’ and the killer whales’ interesting — and sometimes silly — actions. After that comes the second show. This is feeding the monkeys and apes at four o’clock,in the primate center. Please don’t feed the animals with any sweets, biscuits, or fruit you may have brought with you, because these kinds of food can upset the animals’ normal diet. You can, of course, help the staff in feeding the apes and monkeys with specially-prepared food,and in playing with the monkeys,too. The last show will begin at 4:30 in the giant bird cage. Dr. Smith will be with you as your guide ,he’ll point out to you more than 300 species of birds from Central and South America. If you have any questions about these shows or other forthcoming events at the zoo,please ask the people at the information desk at the main entrance. They’ll be very happy to help you. I hope you’ll enjoy your visit. Thank you very much.The speaker makes an announcement about the afternoon_______6The first show will begin in the marine arena at7If visitors provide food for the animals,this may upset the animals’8A tour to the giant bird cage will be guided by_9If people have any inquiries. they can go to the information desk at10 7().

某电器设备厂筹资新建一生产流水线，该工程设计已完成，施工图纸齐备，施工现场已完成“三通一平”工作，已具备开工条件。工程施工招标委托招标代理机构采用公开招标方式代理招标。招标代理机构编制了标底(800万元)和招标文件。招标文件中要求工程总工期为365天。按国家工期定额规定，该工程的工期应为460天。通过资格预审并参加投标的共有A、B、C、D、E 5家施工单位。开标会议由招标代理机构主持，开标结果是这5家投标单位的报价均高出标底近300万元，这一异常引起了业主的注意，为了避免招标失败，业主提出由招标代理机构重新复核和制定新的标底。招标代理机构复核标底后，确认是由于工作失误，漏算部分工程项目，使标底偏低。在修正错误后，招标代理机构重新确定了新的标底。A、B、C 3家投标单位认为新的标底不合理，向招标人要求撤回投标文件。由于上述问题纠纷导致定标工作在原定的投标有效期内一直没有完成。为早日开工，该业主更改了原定工期和工程结算方式等条件，指定了其中一家施工单位中标。根据该工程的特点和业主的要求，在工程的标底中是否应含有赶工措施费为什么