| The idea of test-tube babies may make
you either delighted at the wonders of modern medicine or irritated while
considering the moral, or legal, or technological implications of starting tire
in a laboratory. But if you’ve ever been pregnant yourself, one thing is
certain: You wonder what it’s like to carry a test-tube baby. Are these
pregnancies normal Are the babies normal The earliest answers come from Australia, where a group of medical experts at the Queen Victoria Medical Center in Melbourne have taken a look at the continent’s first nine successful invitro pregnancies. The Australians report that the pregnancies themselves seemed to have proceeded according to plan, but at birth some unusual trends did show up seven of the nine babies turned out to be girls. Six of the nine were delivered by Caesarean section. A A. Whether the pregnancies of test-tube babies would be normal. B. Whether the test-tube babies would be encouraged. C. Why the proportion of defected babies is so high. D. Why the number of Caesareans is so high. [单项选择]冻结间在速冻肉类时要求在（）内使肉体温度达到-15℃或更低些。
A. 10h B. 15h C. 20h D. 24h [单选题]吸气时出现脉搏显著减弱或消失的现象可见于
A.主动脉瓣关闭不全 B.心包积液 C.右心衰竭 D.冠心病 E.房室传导阻滞 [填空题]（）是指一个文件可以允许多个用户共同使用。
[单选题]四显示自动闭塞区段进路色灯信号机的显示一个绿色灯光，表示（）。
A.表示运行前方至少有三个闭塞分区空闲 B.表示运行前方有两个闭塞分区空闲 C.该信号机列车运行前方次一架信号机经道岔直向位置在开放状态 D.列车按限速要求经道岔直向位置进入站内正线准备停车 [单项选择]现行的财政包干体制，使地方的财政收入与地方的经济利益更为密切，有些地方政府为了追求当地利益的最大化，片面发展见效快、税高利大的工业项目，如建地方小烟厂、小酒厂等，从而助长了地方盲目建设和重复建设，影响了国家产业政策的贯彻和产业结构的调整。可见( )。
A. 财政包干体制强化了地方利益 B. 财政包干体制不利于国家产业政策的贯彻实施 C. 财政包干体制影响了全国统一市场的形成 D. 财政包干体制强化了地方利益，不利于国家产业政策的贯彻落实 [判断题]消防中(大、支)队单独完成灭火救援任务的,通常由上级首长负责组织战评;涉及两个以上公安消防中(大、支)队力量联合完成灭火救援任务的,通常由其上一级单位负责组织战评。( )
A.正确 B.错误 [多选题]机坪助航设备包括( )。
A.机坪泛光照明设备 B.机务用电设备 C.目视停靠引导系统 D.高级目视停靠引导系统 [单项选择]下列工具中为需求分析常用工具的是( )。
A. PAD B. PFD C. N-S D. DFD [单项选择]Imagine, if you will, the average games player．What do you see A guy who never grew up Or a nervous 18-year-old pushing buttons on his controller, lost and alone in a violent onscreen world Sorry,you lose．The average garner is starting to look pretty much like the average person．For the first time, according tO a U.S．poll commissioned by AOL(American On Line)Games, roughly half of those surveyed, ages 12 to 55, are tapping away at some kind of electronic game—whether on a PC, a cell phone or another handheld device—for an average of three hours every week．
The games people play say a lot about who they are．Machines like the Xbox and PlayStation 2 are largely the territory of twenty—something men, who prefer to picture themselves as sports stars and racing drivers．Men 50 and older prefer military games． Teenage girls are much more likely than boys to play games on their phone, while older women make up the majority of people playing card games such as Hearts online． Is i A. refused to provide an answer to this question B. denied they were affected by electronic games C. wondered why they were asked such a question D. stressed their interest in playing electronic games [单项选择]某公司出口商品100万美元，6个月后付款，则该公司面临的汇率风险是( )。
A. 交易风险 B. 折算风险 C. 经营风险 D. 经济风险 [多项选择]‘差旅登记’可以作为（）
A. 考勤依据 B. 报销差旅依据 C. 审核差旅依据 [多项选择]从血流动力学角度，血压主要取决于（）
A. 心肌收缩力 B. 体循环周围血管的阻力 C. 心排出量 D. 以上均是 E. 血容量 [多项选择]H3C支持BRAS功能的产品有哪些？（）
A. SR88-X B. SR88-X-S C. SR6600 D. MSR G2 [填空题]欠超高和过超高统称为( )超高。
[单项选择]（）时，待接近预定地点，车速已经很慢时，再进一步踩下制动踏板，同时踩下离合器踏板，将车停稳。
A. 上坡停车 B. 起步 C. 停车 D. 下坡停车 [单项选择]下颌姿势位的生理意义是（）
A. 升降下颌骨肌的张力平衡所产生，可使咀嚼肌得到充分休息 B. 升降下颌骨肌不收缩，可使咀嚼肌得到充分休息 C. 形成一定的间隙，可使舌位于此间隙内 D. 便于下颌处于正中关系 E. 便于下颌由正中关系自如的运动到非正中关系 [多选题]下列各建筑中，属于雅典卫城中的建筑的是()
A.胜利神庙 B.太阳神庙 C.帕提农神庙 D.卡纳克阿蒙神庙 E.巴黎圣母院 [单选题]放线小车推不动说明（）。
A.汇流排张开度太小 B.汇流排张开度太大 C.顶紧螺栓太松 D.都不对 [填空题]高压设备上工作需要全部停电或部分停电的需填写签发（ ）。
[单选题] 公共聚集场所对员工的消防安全培训应至少每( )进行一次。
A.半年 B.一年 C.一年半 D.两年 [单选题]在电气化铁路区段使用架空索道或绞车时,应先做好调查研究,其钢丝绳(包括晃动量)离接触网带电部分最小距离应大于( )m,并有接地线。
A.2 B.5 C.8 D.10 [单选题]行车中遇到后方车辆要求超车时,应怎样做?
A.及时减速、观察后靠右行驶让行 B.保持原有车速行驶 C.靠右侧加速行驶 D.不让行 [多选题]以下哪些违章使用液化石油气钢瓶?( )
A.火烤 B.开水烫 C.倒立放置 D.放置干燥地方 E.倒残液 [判断题] 在井眼畅通的井段为提高下钻效率,可以不采取限速措施。
A.正确 B.错误 我来回答: 提交
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