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【简答题】
本用级数法求解下面函数的近似值,规定当 n 取某一值时,若 ≤ 0 . 0000l ,则停止运算。函数的级数展开式如下: Private Sub Command 1 _Click() Dim x As Single, eps As Single x=Text1:eps=0.00001 Text2=fun(x, eps) End Sub Private Function fun(x As Single, eps As Single)As Double Dim n As Integer, t As Double, y As Double, s As Single y = x: t = x Do ( 1 ) n = n+1 s = ( 2 ) t = ( 3 ) y = y+s*t / (2*n+1) Loop Print abs(t) Fun = y End F un ct i on
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【单选题】When the sentence “They had made a mess of the house” is turned into passive voice, which of the following is CORRECT?
A.
A mess had been made in the house.
B.
A mess had been made by him.
C.
The house had been made a mess of.
D.
The house had been made a mess.
【单选题】When the sentence 'They had made a mess of the house.' is turned into passive voice, which of the following is CORRECT?(2014-63)
A.
A mess had been made in the house.
B.
A mess had been made by them.
C.
The house had been made a mess of.
D.
The house had been made a mess..
【单选题】放射治疗是指：
A.
利用电离辐射的生物效应治疗肿瘤等疾病的技术
B.
利用放射性同位素诊断或治疗疾病或进行医学研究的技术
C.
在医学影像系统监视引导下，经皮针穿刺或引入导管做抽吸注射、引流或对宫腔、血管等做成型、灌注、栓塞等以诊断与治疗疾病的技术
D.
利用X射线的穿透等性质取得人体器官与组织的影像信息以诊断疾病的技术
E.
利用激光对疾病治疗的技术
【单选题】公式Ⅰ(v+m)＞Ⅱc是( )。
A.
社会资本简单再生产的实现条件
B.
社会资本扩大再生产的实现条件
C.
社会资本简单再生产的前提条件
D.
社会资本扩大再生产的前提条件
【简答题】某公司8月份发生下列有关材料采购的经济业务: (1)购入下列材料,增值税率为13%,企业向供应商出具为期30天的商业承兑汇票,材料尚未运达。 甲材料:采购数量 1600千克,采购单价 10元/千克,采购价款 16000元,增值税率 13%,增值税额 2080元 乙材料:采购数量 800千克,采购单价 16元/千克,采购价款 12800元,增值税率 13%,增值税额 16元 (...
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