更多“______从1366年到1386年，用21年时间，修建了南”相关的问题
(由单选和多选组成。) 某工业企业为增值税一般纳税人，生产销售的产品适用17%的增值税税率， 2007年8月发生下列业务： 1．购进原材料一批，取得增值税专用发票注明的价款为400000元，增值税为 68000元，材料已经验收入库，款项尚未支付； 2．购进低值易耗品一批，取得增值税防伪税控专用发票注明的价款为50000元，增值税8500元。款项已经支付； 3．销售产品一批，开出专用发票，价款900000元，税款153000元； 4．将产品投资入股200000元(成本价)，该企业没有同类产品售价； 5．销售小轿车1辆，取得收入220480元，小轿车账面原值300000元； 6．该企业附设一非独立核算的招待所，取得客房住宿费收入100000元，取得代为旅客购飞机票手续费收入2000元； 7．招待所设有餐厅、歌舞厅，餐厅取得餐饮收入120000元，歌舞厅门票收入 30000元，歌舞厅销售酒水收入50000元(歌舞厅营业税税率为20%)。 本月取得的相关票据均在本月认证并抵扣。适用成本利润率为10%。
A．64000B．68000C．76500D．85000
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已知航线起点到终点的距离600KM，航空器地速300KM/H，飞行时间为（）分钟。
A.120
B.90
C.80
D.110
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成人CPR时，若患者恢复自主心率，但呼吸不规律，这时面罩辅助通气的频率为（）。
A.每3秒钟一次
B.每4-5秒钟一次
C.每6秒钟一次
D.每8秒钟一次
E.每10秒钟一次
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Web服务器控件是窗体上的对象，每类对象具有（）三个要素。
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10%～20%尿素溶液，是蛋白质的良好溶剂，用以洗涤盛过血液等含蛋白质的器皿。（）
A . 正确
B . 错误
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如果IP地址为184.130.191.1，子网掩码为255.255.255.0，那么网络地址是（）。
A．184.0.0.0
B．182.130.0.0
C．184.130.191.0
D．184.130.191.1
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某非工业用户装10KV、100KV.A专用变压器用电，其计量装置在二次侧的，应免收变损电量电费。
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债的种类包括哪几种（）
A.按份之债和连带之债 B.合同之债和法定之债 C.可转让之债与不可转让之债 D.共同之债和单一之债
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为了有利于施工和安全，沟槽开挖所放边坡大小要适当，边坡放的太大，就会造成坍塌事故。
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Questions 23-33The mineral particles found in soil range in size from microscopic clay particlesto large boulders. The most abundant particles—sand, silt, and clay—are the focusof examination in studies of soil texture. Texture is the term used to describe theline composite sizes of particles in a soil sample, typically several representative handfuls. To measure soil texture, the sand, silt, and clay particles are sorted out by size andweight. The weights of each size are then expressed as a percentage of the sampleweight.In the field, soil texture can be estimated by extracting a handful of sod andsqueezing the damp soil into three basic shapes; (1) cast, a lump formed by squeezing a sample in a clenched fist; (2) thread, a pencil shape formed by rolling soil betweenthe palms; and (3) ribbon, a flatfish shape formed by squeezing a small sample betweenthe thumb and index finger. The behavioral characteristics of the soil when molded intoeach of these shapes, if they can be formed at all, provides the basis for a generaltextural classification. The behavior of the soil in the hand test is determined by the amount of clay in the sample. Clay particles are highly cohesive, and when dampened,behave as a plastic. Therefore the higher the clay content in a sample, the more refinedand durable the shapes into which it can be molded.Another method of determining soil texture involves the use of devices calledsediment sieves, screens built with a specified mesh size. When the soil is filteredthrough a group of sieves, each with a different mesh size, the particles becomegrouped in corresponding size categories. Each category can be weighed to make atextural determination. Although sieves work well for silt, sand, and larger particles,they are not appropriate for clay particles. Clay is far too small to sieve accurately;therefore, in soils with a high proportion of clay, the fine particles are measured on the basis of their settling velocity when suspended in water .Since clays settle so slowly,they are easily segregated from sand and silt. The water can be drawn off andevaporated, leaving a residue of clay, which can be weighed.
A．damagedB．stretchedC．moistenedD．examined
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单位距离的运输成本的增长幅度随距离增长而（）
\tA.减少
\tB.不变
\tC.增加
\tD.不确定
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可逆反应 2A (g) + B(g) ⇌ 2C (g), Δ H<0 。反应达到平衡时,容器体积不变,增加 B 的分压,则 C 的分压 , A 的分压 ;减小容器的体积, B 的分压 , K Θ 。
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ADC208新交机初始化正常做完，后续复印打印单张多数正常，少数的单张和多张复印打印卡纸，则是以下哪个部件损坏造成（）
A.鼓组件
B.驱动板
C.转印辊
D.定影出纸传感器
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是离开机床和外围设备的可动区域的安全位置（）
A.X轴
B.干涉区域
C. 单元底板
D. 参考位置
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