问题
填空题
体积为100厘米3的实心铁球浸没在水中，铁球受到的浮力为______牛，浮力的方向是______的．（g取10N/kg）
答案
铁球所受浮力F浮=ρgV排=1000kg/m3×10N/kg×10-4m3=1N，方向竖直向上．
故答案为：1；竖直向上．
搜题请搜索小程序“爱下问搜题”
体积为100厘米3的实心铁球浸没在水中，铁球受到的浮力为______牛，浮力的方向是______的．（g取10N/kg）
铁球所受浮力F浮=ρgV排=1000kg/m3×10N/kg×10-4m3=1N，方向竖直向上．
故答案为：1；竖直向上．
One day, a teacher was speaking to a group of students about how to manage time. He gave such an interesting example that his students would never 26 . He put a wide-mouth jar(罐) on the table. Then he 27 some rocks and carefully placed them into the jar, one at a time. When 28 rocks would fit inside, he 29 , “Is this jar full?” Everyone in class shouted, “Yes.” “Really?” The teacher pulled out a bag of small stones. He put 30 small stones in and shook the jar. The small stones went 31 into the spaces between the big rocks. He then asked the group 32 , “Is this jar full?” “Probably not,” one of them answered. “Good!” the teacher replied. He brought out a box of sand and 33 some sand on the jar and it went between the rocks and small stones. Again he asked the 34 question, “Is this jar full? “No,” the class shouted. Once more the teacher said, “Good.” He poured a cup of water into the jar 35 it was full. The he asked, “What is the point here?” One student 36 his hand and said, “The point is that if you try really hard, you can 37 put more things in.” “No,” the teacher replied, “that’s not the 38 . What I want to tell you is that if you don’t put the big rocks in first, you will never get others in at all. 39 are the ‘big rocks’ in your life? Time with your friends, your education or your dreams? Remember to put the 40 in first, or you’ll never get others in at all?”
|
| 根据案例，回答1～29题： 飞龙公司2000年成立，其主要业务是生产并对外出口各种玩具。公司的总资产为5000万元，其中包括4座总价值1000万元的厂房，目前正在使用。公司要在新开发区中建设新厂房，此项工程已经开工，并且将于2008年底完工。公司教保了企业财产保险、机器损坏保险和利润损失保险。 公司于2005年购买了一批广州本田车，每辆价值25 7Y元。在购买这批车时，公司为每辆车都办理了车辆损失险和盗抢险。 2007年飞龙公司在非洲A国投资200万美元建厂，为防政治风险损失及时向某保险公司投保投资保险，保额为投资额的80%。 飞龙公司有员工1000多名，其中包括了年轻力壮者和年迈多病者。2006年初，公司为全体员工购买了团体人寿保险、团体人身意外伤害保险附加停工保险。约定停工保险的责任期限的终止日为保险合同结束后的1个月。为了转移因雇员的不诚实行为而使公司遭受损失的风险，公司还投保了雇员忠诚保证保险。 公司老板龙某为其重要雇员张三投保了雇主责任保险，期限为二年。张三的年薪为12万元，因其工作有可能会危及他的人身健康，保单规定死亡和伤残的最高赔偿限额分别为 36个月和48个月的工资，并有5天的免赔额的规定。 |
飞龙公司将建筑新厂房这一项目工程经过招标形式，交由某建筑公司承建，为保证建筑工程按期完成并保证质量，飞龙公司可以要求建筑公司投保( )。
A．履约保证保险
B．建筑工程保险
C．信用保险
D．责任保险