麸炒枳实能缓和峻烈之性，减少对肠道平滑肌刺激的原理是（）。A.黄酮苷含量减少 B.

对于孤立基牙在装盒时的处理方法是（）。

A.不能将石膏基牙削平，以免卡环移位

B.孤立基牙不要靠近型盒壁，离开1cm以上

C.将石膏基牙完全削去，卡环臂悬空

D.将石膏基牙卡环以上部分削平

E.使蜡型全部暴露，形成上半盒的石膏陟嵴

年龄结构为增长型的种群，其年龄锥体的形状为中间宽上下窄。 ( )

Traditional IP packet forwarding analyzes the____(1)____IP address contained in the network layer header of each packet as the packet travels from its source to its final destination．A router analyzes the destination IP address independently at each hop in the network．Dynamic ____(2)____protocols or static configuration builds the database needed to analyze the destination IP address(the routing table)．The process of implementing traditional IP routing also is called hop—by—hop destination—based____(3)____routing．Although successful，and obviously widely deployed，certain restrictions，which have been realized for some time，exist for this method of packet forwarding that diminish its____(4)____．New techniques are therefore required to address and expand the functionality of an IP—based network infrastructure．This first chapter concentrate on identifying these restrictions and presents a rew，architecture，known as multipIeprotocol____(5)____switching，that provides solutions to some of these restrictions．

(3)

A．anycast

B．multicast

C．broadcast

D．unicast

给手机用的锂电池充电的过程是将______能转化为______能．

男性，65岁。因心前区痛4h来院急诊。、心电图示急性广泛前壁心肌梗死伴多源性室早，入院体检：气急不能平卧，血压140／80mmHg，心率120次/min，并有奔马律。两肺散在细湿啰音，伴少量哮鸣音。

病人呼吸困难，考虑存在有（）

A.左心衰竭

B.右心衰竭

C.全心衰竭

D.肺部感染

E.泵衰竭