新生儿化脓性脑膜炎最常见的病原体是A．大肠杆菌B．脑膜炎双球菌C．肺炎链球菌D．流感

下列因素在确定建筑密度时应不予考虑的是（）

A.用地面积

B.建筑形式

C.土地使用性质

D.建筑高度

When a project manager is engaged in negotiations，non-verbal communication skills are of______．

A．little importance

B．major importance

C．importance only when cost and schedule objectives are involved

D．importance only to ensure you win the negotiation

如图，重为200N的重物用轻绳ON、OM悬挂在天花板上，已知∠ONM=60°，∠OMN=30°，求绳OM的拉力F₁和绳ON的拉力F₂分别是多少？

2013年我国成为世界第一货物贸易大国，但由于我国企业总体仍处于全球产业链中低端,普遍缺少核心技术、产品与自主品牌,产品附加值低等因素，要成为贸易强国仍然任重道远。对此认识正确的有

A．我国已经成为世界经济强国

B．我国的科技水平和自主创新能力有待于提高

C．我国实施科教兴国战略取得显著成效

D．成为世界第一贸易大国无实际意义

Which of the following would the nurse teach the mother of a child with leukemia who has an absolute neutrophil count of 900/mm³（）

A. The child should wear gloves when in contact with others.

B. The child should stay away from crowds of people.

C. The child should eat raw fruits and vegetables.

D. Anyone in direct contact with the child must wear a gown and mask.