把a3-4a2+4a分解因式,结果为______.

题型:填空题

问题:

把a3-4a2+4a分解因式,结果为______.

考点:因式分解
题型:填空题

28岁经产妇,妊娠37周, * * 无痛性多量流血5小时入院。查血压80/60mmHg,脉搏102次/分。无宫缩,宫底在剑突下2指,臀先露,胎心94次/分,骨盆外测量正常。

本例最恰当的处理应是()

A.期待疗法

B.外转胎位术

C.人工破膜

D.静滴缩宫素

E.立即剖宫产

题型:填空题

2010年4月玉树地震后,防疫人员使用各种消毒剂对环境进行消毒。亚氯酸钠(NaClO2)是一种重要的消毒剂。下列说法不正确的是[ ]

A.闻到消毒剂气味是因为微粒在不断运动

B.NaClO2是由NaCl和O2构成的

C.NaClO2中钠元素质量分数为25.4%

D.NaClO2中氯元素的化合价为+3

题型:填空题

An Enterprise Resource Planning (ERP) is built upon a commercial (34) that promises the seamless (35) of all the information flowing through the company -- financial, accounting, human resources, supply chain and customer information. In implementation, all ERP systems include several features. The system is installed on a typical database management system. It requires initial setup according to the organization’s process, but it may be (36) according to the organization’s unique process requirements through a tool set contained within the ERP applications. Using ERP, (37) can be prescribed to automate approval processes through established chains of commanD. One of the methods used to effect rapid implementation of the ERP system is to conduct concurrent (38) sessions during the early stages of ERP implementation.

38()

A. association

B. connection

C. combination

D. integration

题型:填空题

针灸的治疗原则,“热”则应该采取()。

A.泄之

B.除之

C.泻之

D.疾之

E.以上均不对

题型:填空题

简述森林群落对水分的影响。

更多题库