患者男，19岁，因“跑步时突然出现右侧胸部疼痛，伴有呼吸困难”来诊。患者既往体健，入

请评析杜威的实用主义的教育思想。

高速公路为什么不得占用路肩？

江山市某民营企业家张总当选为江山市第十五届人大代表。关于张总，下列说法正确的是

①他是由选民直接选举产生的             ②他代表江山民营企业家的利益

③作为公民，他享有特权                 ④他是国家权力机关的组成人员

A．①②

B．①④

C．①③

D．②④

A company reports the following information about its annual percentage changes:
·Revenue increases by 14%
·Receivable increases by 20%
·Inventory increases by 27%
This information indicates the company least likely has implemented:

A. higher credit standards for customers.
B. more aggressive revenue recognition.
C. less efficient inventory management.

风湿性心脏炎最常见侵犯的部位（）

A.心包膜

B.二尖瓣膜

C.三尖瓣膜

D.主动脉瓣膜

E.肺动脉瓣膜