全波整流器的一个缺点是要求变压器次级必须有两个对称的绕组，使造价增高。

若（2x-1）⁰=1成立，则x______．

狭窄骨盆的处理原则，下列哪项错误（）

A.中骨盆狭窄，先露棘下2cm，可经 * * 助产

B.出口横径+后矢状径之和＜15cm，剖宫产

C.轻度头盆不称，在严密监护下试产

D.均小骨盆，胎儿不大，可试产

E.严重骨盆畸形，剖宫产

(b)(i) State the value added tax (VAT) treatment of the disposal of self-used fixed assets. Your answer should deal with assets which were bought both before and after 1 January 2009; (2 marks) (ii) State the value added tax (VAT) treatment of the disposal of used articles (other than those used as fixed assets) and used cars; (2 marks) (iii) The following transactions all occurred in the month of August 2009. All figures are stated including value added tax (VAT). (1) Company D sold a used machine for RMB 250,000, which had been bought in January 2008 for RMB 200,000. (2) Company E (a small-scale VAT taxpayer) sold a used machine for RMB 180,000, which had been bought in October 2005 for RMB 200,000. (3) Company F sold a used machine for RMB 150,000, which had been bought in January 2009 for RMB 120,000. (4) Company G (a small-scale VAT taxpayer) sold a used machine for RMB 150,000, which had been bought in January 2009 for RMB 120,000. (5) Company H sold a used car for RMB 150,000, which had been bought in January 2009 for RMB 120,000.Required:In the case of each of the sales (1) to (5), calculate the value added tax (VAT) payable.Note: unless otherwise stated all the companies are general VAT taxpayers. (5 marks)

伤员大腿、小腿和脊椎骨折时，一般不要随便移动伤者。