挂钟分针的长10cm,经过45分钟,分针的针尖转过的弧长是.(结果保留π) 发布时间:2017-04-30 21:50 │ 来源:www.tikuol.com 题型:填空题 问题: 挂钟分针的长10cm,经过45分钟,分针的针尖转过的弧长是 .(结果保留π)
题型:填空题 2:3:1液体的组成()。A.2份生理盐水,3份10%葡萄糖,1份5%碳酸氢钠B.2份10%葡萄糖,3份生理盐水,1份1.4%碳酸氢钠C.2份生理盐水,3份10%葡萄糖,1份1.4%碳酸氢钠D.2份10%葡萄糖,3份生理盐水,1份5%碳酸氢钠E.2份10%葡萄糖,3份生理盐水,1份1.87%乳酸钠 查看答案
题型:填空题 结束国家间战争状态须经过必要的法律程序和方式。下列哪种方式不意味着战争状态在法律上正式结束A.无条件投降B.单方面宣布结束战争,一般由战胜国宣布 C.交战双方共同宣布战争结束 D.缔结和平条约 查看答案
题型:填空题 用标准加入法进行定量分析时,对所加入的标准溶液的要求是( )。A.体积要足够大,浓度要足够高B.体积要足够小,浓度要足够低C.体积要足够大,浓度要足够小D.体积要足够小,浓度要足够高 查看答案
题型:填空题 An instruction is made up of operations that (68) the function to be performed and operands that represent the data to be operated on. For example, if an instruction is to perform the operation of (69) two numbers, it must know (70) the two numbers are. The processor’s job is to (71) instructions and operands from memory and to perform each operation. Having done that, it signals memory to send it (72) instruction.A.addB.addedC.addingD.additional 查看答案