(x+1)(x-1)5展开式中含x3项的系数为______.

题型:填空题

问题:

(x+1)(x-1)5展开式中含x3项的系数为______.

考点:二项式定理与性质
题型:填空题

Traditional network layer packet forwarding relies on the information provided by network layer()protocols, or static routing, to make an independent () decisions at each hop within the network. The forwarding () is based solely on the destination() IP address. All packets for the same destination follow the same path across the network if no other equal-cost paths exist. Whenever a router has two equal-cost () toward a destination, the packets toward the destination might take one or both of them, resulting in some degree of load sharing.

The forwarding () is based solely on the destination

A.connecting

B.window

C.decision

D.destination

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女性,35岁,肝脓肿破裂引起弥漫性腹膜炎,面色苍白,四肢湿冷,脉搏120次/分,血压70/55mmHg,尿少,血pH值7.24。下列哪项治疗措施不妥()

A.手术引流感染灶

B.联合应用抗菌药物

C.输液补充血容量

D.纠正酸中毒

E.大量多次应用皮质类固醇激素

题型:填空题

小儿臀红护理中正确的是()。

A.便后用冷水洗净

B.污垢处用肥皂洗净

C.日光下晒30~60分钟

D.洗净臀下涂氧化锌油

E.包好尿布以免粪便外溢

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熊蜂和蜻蜓的口器分别是()。

A.刺吸式、咀嚼式

B.嚼吸式、咀嚼式

C.咀嚼式、舐吸式

D.都是咀嚼式

题型:填空题

()提供的信息相对比较新颖、及时、可靠、专深。

A、互联网

B、报纸

C、图书

D、期刊

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