更多“水泵巡回检查的时间为每（）一次。”相关的问题
下列哪些不属于商业秘密（）。
A、公司账号及密码
B、客户名单及销售渠道
C、货源情报
D、招标标底
点击查看答案
使微粒Zata电位减少的电解质A.助悬剂B.稳定剂C.润湿剂D.反絮凝剂E.絮凝剂
使微粒Zata电位减少的电解质 A.助悬剂 B.稳定剂 C.润湿剂 D.反絮凝剂 E.絮凝剂
点击查看答案
对外汇管制的手段主要有( )。
A.法律手段
B.行政手段
C.经济手段
D.政治手段
点击查看答案
诚然公司报表所示：2000年年无形资产净值为160000元，负债总额为12780000元，所有者权益总额为22900000元。计算有形净值债务率为（）。
A、55.8％
B、55.4％
C、56％
D、178％
点击查看答案
井下加强靠近探水地点的支护，打好坚固的立柱和拦板，以防高压水冲垮煤壁和支架。（）
A . 正确
B . 错误
点击查看答案
心肌梗死超急性期的心电图特征是（）
A.T波高耸，ST段抬高，急性损伤阻滞 B.T波高耸，ST段下降，出现异常Q波 C.T波高耸，ST段延长 D.T波高耸，出现异常Q波 E.T波高耸，Q-T间期延长
点击查看答案
How many teachers ______there in your school?
A . isB . areC . haveD . has
点击查看答案
公司溢价发行期限为 5 年的债券,债券面值为 100 元,发行价格 110 元,票面利率 8 %,筹资费率为 3 %,企业的所得税率为 30 %,则该债券的资金成本为( )。
A. 5.25% B. 8% C. 5.6% D. 5.77%
点击查看答案
对椎体钩的描述，错误的是（）。
A.前方是颈长肌 B.外侧为椎血管及周围的交感神经 C.后外侧部参与构成椎间孔前壁 D.有脊神经和根血管通过 E.其作用是限制下一椎体自两侧移动，增加稳定性，防止椎间盘脱出
点击查看答案
A flight to other solar systems will be made nlore possible by（）．
The future of space exploration depends on many things．It depends on how technology evolves how Dolitical forces shape competition and partnerships between nations，and how important the public feels spaceexdloration is．The near future will see the continuation of human space flight in Earth’s orbit and unpiloted space mght within the so1ar systern．Piloted space flight to other planets，or even back to the moon，still seems far away．Any flight to other solarsystems is even more distant'；but a huge adVance m space technology could drive space exploration into realms currently explored only by science fiction．The 1968film 2001：A SpacP Odyssey depicted commercial shuttles flying to and from a giant wheel-shoped space station in orbh around Earth，bases on the moon，and a piloted mission to Jupiter.The real space activities of 2001will not match this cinematic vision，but the 21st century will see a continuation of efforts to transform humanity into a spacefaring species．Perhaps the most difficult problem space planners face is how to finance a vigorous program of piloted space exploration.in Earth’s orbit and beyond．In l998no single government or international enterprise had plans to send people back to the moon，much less to Mars．Suchmissions are unlikely to happen until the perceived value exceeds their cosLOne belief shared by a number of space exploration experts is that future lunar and Martian expeditions sheluld be aimed at creating permanent settlements．The residents of such outposts would have to“live off the land”．0btaining such necessities as oxygen and water fromthe harsh environment．On the moon，pioneers could obtain oxygen by heating lunar soil．In l998the Lunar Prospector discovered evidence ofsignificant deposits of ice，a valuable resource for settlers，mixed with soll at the lunar poles．On Mars，oxygen could be extracteel from the atmosphere and water could come from buried deposits of ice．The future of piloted lunar and planetary exploration remains largely unknown．Most space exploration scientists believe that people will be on the moon and Mars by the middle of the 21st century，but how they get there，and the nature of their visits，is a subject of continuing debate．Clearly，key advances will need to be made in lowering the cost of getting people off Earth，the first step in any human voyage to other worlds．
点击查看答案
窝藏、包庇罪：指非共同犯罪人明知他人犯罪，而为其提供隐藏处所、财物，帮助其逃匿或者作假证明包庇的行为。 以下属于窝藏、包庇罪的是( )。
A．王某为逃避计划生育的嫂子提供住宿
B．李老太的儿子酒后开车撞死了人，神情紧张地跑回家中。李老太问明情况后，遂和儿子一起擦洗了汽车上的血迹，并拿出三千块钱让其到外地躲避风头
C．秦某、李某共谋去窃取一家珠宝店，后二人分工，由秦某去准备逃往外省的车辆及假身份证，而身手灵活的李某则入珠宝店，后二人得手，秦某开车将李某送出本地
D．黄女士一天早晨发现门口趴着一个浑身尘土、发着高烧的流浪汉，出于好心，将其扶进屋内，并和丈夫一起照料。后该人恢复健康，千恩万谢下拿着两人义赠的500块钱远走高飞。翌日，两人通过电视发现此人是公安部通缉的要犯
点击查看答案
为订立涉外经济合同，某要约人于5月10日发出一项有效期为10天的要约，受要约方于5月12日收到要约，受要约人做出承诺的最迟时间为( )。
A．5月20日
B．5月21日
C．5月22日
D．5月23日
点击查看答案
图中的兔和蚱蜢两者是（）关系，而蜥蜴和蚱蜢是（）关系。
下图是食物关系图。分析并简要回答：
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）
