更多“自发性气胸的常见症状为A.呼吸困难伴一侧胸痛B.呼吸困难伴发”相关的问题
隧道工程明洞施工中，当边坡稳定性差，但拱脚承载力较好，能保证拱圈稳定时，可采用的方法是( )。
A．先墙后拱法
B．先拱后墙法
C．墙拱交替法
D．拱墙整体灌筑法
点击查看答案
混凝土的拌合出机口温度较高、不能满足温度控制要求时，拌合料应进行预冷。一般不把( )选作预冷材料。
A．砂
B．碎石
C．卵石
D．水泥
点击查看答案
()具有体积疏松膨大、质地细密暄软、组织结构呈海绵状、成品味道香醇适口的特点。
A.物理膨松面坯
B.生物膨松面坯
C.化学膨松面坯
D.以上都不对
点击查看答案
根据《建设工程安全生产管理条例》，分包单位从事危险作业人员的意外伤害保险费应由（ ）支付
A.总承包单位与分包单位按一定比例共同 B.分包单位 C.建设单位 D.总承包单位
点击查看答案
下列有关电动座椅电动机的检查说法正确的有（）。
A.用蓄电池的正负极分别接某电动机的两个端子，观察电机的运转情况即可B.电动机停止转动时要立刻断开电源以免烧坏电动机C.用蓄电池的正负极分别接某电动机的两个端子，观察电机的运转情况，然后颠倒正负极的接法，再观察反转的情况
点击查看答案
根据下列文章，回答26～30题。 It is a wise father that knows his own child, but today a man can boost his paternal (fatherly) wisdom—or at least confirm that he’s the kid’s dad. All he needs to do is shell out $30 for a paternity testing kit (PTK) at his local drugstore—and another $120 to get the results.More than 60,000 people have purchased the PTKs since they first became available without prescriptions last years, according to Doug Fogg, chief operating officer of Identigene, which makes the overthecounter kits. More than two dozen companies sell DNA tests directly to the public, ranging in price from a few hundred dollars to more than $2500.Among the most popular : paternity and kinship testing , which adopted children can use to find their biological relatives and families can use to track down kids put up for adoption. DNA testing is also the latest rage among passionate genealogists—and supports businesses that offer to search for a family’s geographic roots.Most tests require collecting cells by swabbing saliva in the mouth and sending it to the company for testing. All tests require a potential candidate with whom to compare DNA．But some observers are skeptical, “There is a kind of false precision being hawked by people claiming they are doing ancestry testing,” says Trey Duster, a New York University sociologist. He notes that each individual has many ancestors—numbering in the hundreds just a few centuries back. Yet most ancestry testing only considers a single lineage, either the Y chromosome inherited through men in a father’s line or mitochondrial DNA, which is passed down only from mothers. This DNA can reveal genetic information about only one or two ancestors, even though, for example, just three generations back people also have six other greatgrandparents or, four generations back, 14 other greatgreatgrandparents.Critics also argue that commercial genetic testing is only as good as the reference collections to which a sample is compared. Databases used by some companies don’t rely on data collected systematically but rather lump together information from different research projects. This means that a DNA database may have a lot of data from some regions and not others, so a person’s test results may differ depending on the company that processes the results. In addition, the computer programs a company uses to estimate relationships may be patented and not subject to peer review or outside evaluation. 第 26 题 In paragraphs 1 and 2 , the text shows PTK’sA．easy availability.B．flexibility in pricing.C．successful promotion.D．popularity with households.
A.MoreB.AmongC.MostD.ButE.CriticsF.easyG.B．flexibilityH.C．successfulI.D．popularity
点击查看答案
私人银行财富规划报告的特点不包括（）。
A.综合化 B.主观化 C.专业化 D.个性化
点击查看答案
某办公楼，建筑面积7858m2，六层现浇钢筋混凝土框架结构，项目施工时发生如下事件： 事件一：在一～四层钢筋下料时，剩下许多1～2m的钢筋，项目经理要求将钢筋用闪光对焊接长至6m（每根钢筋至少有2...施工单位现场质量检查的方法有哪些？
点击查看答案
个人生产经营贷款审查中，对信贷风险方面的审查主要包括哪些内容？
点击查看答案
会展企业为参展商提供的最好产品就是符合参展商细分市场的一定数量和质量的（）
A.现场服务
B.营销服务
C.专业观众
D.技术开发
点击查看答案
根据地基的复杂程度，将地基分为三个等级。下列( )的情况属于一级地基(复杂地基)。
A．情况复杂，需作专门处理的岩土
B．严重湿陷、膨胀、盐渍、污染的特殊性岩土
C．岩土种类多，但很不均匀，性质变化大，需特殊处理
D．分布较均匀，但深厚的红黏土地基
E．岩土种类较多，但不均匀，性质变化较大
点击查看答案
按照Q/HB-J-08.L24-2009《中国华能集团公司水力发电厂水轮机监督技术标准》规定，水轮机在运行过程中，气味一般不需要监视。
点击查看答案
题目内容
（请给出正确答案）
参考答案
十点题库官方参考答案
（由十点题库聘请的专业题库老师提供的解答）
