2014年10月24日02时00分,我国自行研制的探月工程三期再入返回飞行试验器,在西昌卫星发射中心发射升空,准确进入地月转移轨道。我国探月工程首次实施的再入返回飞行试验首战告捷。我国的探月工程实行“绕、落、回”三步走的战略步骤,每一步都是对前一步的总结和提升,直至建立属于我们中国人自己的空间站。深空探测从来就没有康庄大道,探索路上遍布荆棘和未知的挑战。此次“飞行试验器”出行,如何安全地“回娘家”就是一个艰巨的挑战,它的主要任务就是解决怎么顺利飞到月球和怎么从月球安全和顺利地回来。事实已经证明,中国在国际航天领域已经占有属于自己的一席之地。
阅读上述材料,用相关知识回答下列问题
The word science is heard so often in
modern times that almost everybody has some notion of its meaning. On the other
hand, its definition is difficult for many people. The meaning of the term is
confusing, but everyone should understand its meanings and objectives. Just to
make the explanation as simple as possible, suppose science is defined as
classified knowledge (facts). Even in the true sciences distinguishing fact from fiction is not always easy. For this reason great care should be taken to distinguish between beliefs and truths. There is no danger as long as a clear difference is made between temporary and proved explanations. For example, hypotheses and theories are attempts to explain natural phenomena. From these positions the scientist continues to experiment and observe until they are proved or discredi A. explanation B. assumption C. fact D. phenomenon [判断题]6米拉梯只能用于登高。( )(中)
A.正确 B.错误 [单项选择](Like expected), experimental (studies) show that we should neither run nor scream when (encountering) a fierce animal (like) a lion.
A. Like expected B. studies C. encountering D. like [单选题]治疗急性胃粘膜病变最有效的方法是( )
A.静脉滴注PPI制剂 B.使用抗胆碱能药物 C.口服制酸剂 D.止血敏的应用 [单项选择]流动资金贷款管理的核心要求是:()
A. 贷款人受托支付 B. 面谈面签 C. 完善贷款合同管理 D. 合理确定流动资金贷款需求量 [多选题]配电网运行中,下列()等因素会影响线损的高低。
A.超供电半径供电 B.线路迂回供电 C.无功补偿容量过大 D.变压器重载运行 [单选题]消防救援人员违法违纪,应当给予处分的,由( )按照管理权限给予处分。
A.任免机关 B.上级主管单位 C.本级纪委 D.本级监察机关 [多选题]悬浮物的存在会影响(??)故需对悬浮物作出规定。(1分)
A.A.加药处理除垢效果 B.B.锅外化学处理工艺的正常运行 C.C.锅炉除垢效果 D.D.锅内化学处理工艺的正常运行 [判断题]露天装设的有爆炸危险的金属储罐和工艺装置,当其壁厚不小于4mm时,一般不再装设接闪器,也无需接地。
[多项选择]以下哪些措施可以避免、减少或控制污染物或废物的产生、排放或废弃:()。
A. 使用节能灯 B. 双面打印 C. 每周少开一天车 D. 使用一次性筷子 [单项选择]中药最早期的化学药剂杀霉、杀虫的药物是()
A. 磷化铝 B. 硫黄 C. 氯化苦 D. 蜜 E. 细辛、花椒 [单项选择]第一篇 How to Be a Successful Businessperson
Have you ever wondered why some people are successful in business and others are not Here’s a story about one successful businessperson. He started out washing dishes and today he owns 168 restaurants.
Zubair -Kazi was born in Bhatkal, a small town in southwest India. His dream was to be an airplane pilot, and when he was 16 years old, he learned to fly a small plane.
At the age of 23 and with just a little money in his pocket, Mr. Kazi moved to the United States.He hoped to get a job in the airplane industry in California. Instead, he ended up working for a company that rented cars.
While Mr. Kazi was working at the car rental(租赁的) company, he frequently ate at a nearby KFC restaurant. To save money on food, he decided to get a job with KFC. For two months, he worked as a cook’s assistant. His job was to clean the kitchen and help the cook. "I didn’t like it," Mr. Kazi says, "but I always did the best I could."
One day, Mr. Kazi’s two co-
A. advertise for it. B. clean it up C. improve the food. D. retrain the’employees [单选题]依据《农村电网低压电气安全工作规程》(DL/T477— 2010)第E.2.2.6(4)条规定:触电者心跳、呼吸停止时,应立即进行( )抢救,不得延误或中断。
A.心肺复苏法 B.俯卧压背法 C.仰卧压胸法 D.针灸法 [简答题] 新交通系统
[判断题]射孔施工前按规范进行技术交底和开工验收,不符合施工条件,在与相关方商量后可以接井。( )
A.正确 B.错误 [判断题]断路器安装后必须对其二次回路中的防跳继电器非全相继电器进行传动,并保证在模拟手合于故障条件下断路器不会发生跳跃现象。
A.正确 B.错误 [判断题]站内电码化信息只能通过原轨道电路的接收端发送,不能通过发送端发送。
[单选题]编组站在( )停留车辆,不进行调车作业时,应连挂在一起,并须采取防溜措施。
A.到发线 B.调车线 C.到发线和调车线 D.到发线、调车线以外的线路 [判断题]船舶的脱险通道应提供其他辅助逃生设施,确保其易于到达、标志清晰、设计能满足紧急情况需要。
[单选题]文明生产的外部条件主要指( ).光线等有助于保证质量。
A. 设备 B. 机器 C. 环境 D. 工具 [判断题]公安消防机构的工作人员利用职务为用户.建设单位指定或者变相指定消防产品的品牌.销售单位或者消防技术服务机构.消防设施施工单位,尚不构成犯罪的,依法给予处分。 ( )
A.正确 B.错误 [简答题]怎样预防浮头?
[判断题]电动吊篮的额定载重量包括悬吊平台的质量。
A.正确 B.错误 [判断题]录波器的完好标准:故障录波记录时间与故障时间吻合,数据准确,波形清晰完整,标记正确,开关量清楚,与故障过程相符,上报及时,可作为故障分析的依据。
A.正确 B.错误 [单选题]青霉素引起的过敏性休克属
A.混合型超敏反应 B.Ⅳ型超敏反应 C.Ⅲ型超敏反应 D.Ⅱ型超敏反应 E.I型超敏反应 我来回答: 提交
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