一、简答题 1、什么是质心运动守恒定律?
2、什么是 动量矩定理并并写出公式。
某一砂土试样,经筛分后各颗粒粒组含量如下。该砂土命名为()。
粒组(mm) <0.075 0.075~0.1 0.1~0.25 0.25~0.5 0.5~1.0 >1.0
含量(%) 8.0 15.0 42.0 24.0 9.0 2.0
某股份公司2004年销售净利率为20%,总资产周转率0.7次。权益乘数1.71,净资产收益率为23.94%。2005年销售收入净额1014万元(其中赊销收入570万元),净利润253.5万元。该公司2005年末的财务报表如下:
资产负债表 单位:万元
根据以上情况,回答下列问题:
某股份公司2004年销售净利率为20%,总资产周转率0.7次。权益乘数1.71,净资产收益率为23.94%。2005年销售收入净额1014万元(其中赊销收入570万元),净利润253.5万元。该公司2005年末的财务报表如下:
资产负债表 单位:万元
根据以上情况,回答下列问题:
从某公路设计文件《直线、曲线及转角一览表》中摘抄的一组路线设计资料如下:
JD8: K3+425.982
K3+311.099 K3+346.099 K3+492.155 K3+527.155
JD9:K4+135.169 =K4+047.436 =K4+221.135
试计算
(1)JD8曲线的切线长、曲线长、缓和曲线长及曲线中点桩号;
(2)计算JD9曲线的切线长、曲线长和曲线中点桩号;
(3)计算两曲线交点间距及所夹直线段长度。
空气 物体表面 医护人员手
cfu/m3 cfu/m2 cfu/m2
古诗文默写。(5分,每空1分)
(1) ,为刎颈之交。(司马迁《史记·廉颇蔺相如列传》)
(2)农人告余以春及, 。或命巾车, 。(陶渊明《归去来兮辞》)
(3)垆边人似月, 。未老莫还乡, 。(韦庄《菩萨蛮(其二)》)
Beads, stones, seashells, paper, precious metals such as gold and silver, base metals such as iron have
all been used as money. Today, money is printed on paper. A lot of countries use their own currency, with n
ames such as dollar, pound, franc, ruble, yuan and so on. Since 2002, 18 of the EU members have
replaced their national currencies by Euro notes and coins.
If you want to pay for something in another currency, you have to change your money into the other money.
If you want to travel outside your native country, you need to change your own country's money for the
money of the country you are visiting. Most large banks sell foreign currencies. You can exchange money
at a bank or at an office of a tourist agency Wherever you go, exchanging money puts you in touch with
international finance, which is concerned with exchange rates between different currencies. Deciding the
rate for the international exchange of money is one of the most complex aspects of international banking.
Beads, stones, seashells, paper, precious metals such as gold and silver, base metals such as iron have
all been used as money. Today, money is printed on paper. A lot of countries use their own currency, with n
ames such as dollar, pound, franc, ruble, yuan and so on. Since 2002, 18 of the EU members have
replaced their national currencies by Euro notes and coins.
If you want to pay for something in another currency, you have to change your money into the other money.
If you want to travel outside your native country, you need to change your own country's money for the
money of the country you are visiting. Most large banks sell foreign currencies. You can exchange money
at a bank or at an office of a tourist agency Wherever you go, exchanging money puts you in touch with
international finance, which is concerned with exchange rates between different currencies. Deciding the
rate for the international exchange of money is one of the most complex aspects of international banking.
远程教育在中国的发展经历了三代。
第一代是 ;
第二代是 ;
第三代是 。
大路货是指( )。
用U/C图定义信息系统结构,进行数据正确性检验,符合“数据守恒原理”的是( )。
用U/C图定义信息系统结构,进行数据正确性检验时,符合“数据守恒原理”的是( )。
职业和培训之间的关系常常由的什么过程来连接。( )
在开展一项就业运动时需要考虑很多因素,此中包括( )。
执行加工范畴的元认知技能影响我们的思维方式以及随后在就业运动中的行为,此中包括( )。
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