侧空式鞋

某公司股票看涨期权和看跌期权的执行价格均为30元，均为欧式期权，期限为1年，目前该股票的价格是20元，期权费(期权价格)均为2元。如果在到期日该股票的价格是15元，则购进股票、购进看跌期权与购进看涨期权组合的到期净损益为()元。

A、13

B、6

C、-5

D、-2

短文填空。

     All over the world people enjoy sports. Sports help people to keep healthy, happy and to live longer.

     Many people like to 1_______ (观看) others play sport games. They buy tickets or turn on their TV

set to watch the games. They often 2_______ (感到) very very happy when "their" player or team wins. 

     People play different games in winter and summer. Summer is 3_______ (有利于) swimming. And in

winter people often go skating.

      Some sports are very interesting and people everywhere are in them. 4_______ (例如), football is

very popular. In China most people, men, women, boys and girls like to watch football games. They often

5_______ (谈论) it. Some people often 6_______ (踢足球). Running and jumping began 7_______

(很久，很久以前). But basketball and volleyball are rather new. People began to play them 8_______

(不久以前). And people are starting new sports or games all the time. Water skiing is one of the

9_______ (最新的).

      People from 10_______ (不同的国家) may not be able to understand each other, but after a game

they often become friends.

1._______ 2._______ 3._______ 4._______ 5._______

6._______ 7._______ 8._______ 9._______ 10._______

用电压表检查如图所示电路中的故障，测得U_ad＝5.0 V，U_cd＝0 V，U_ab＝5.0 V，则此故障可能是

A．L断路

B．R断路

C．R′ 断路

D．S断路

（13分）阅读下列材料，回答问题。

材料一 《论语》颜渊第十二之七：子贡问政。子曰：足食，足兵，民信之矣。子贡曰：必不得已而去，于斯三者何先？曰：去兵。子贡曰：必不得已而去，于斯二者何先？曰：去食。自古皆有死，民无信不立。

材料二 诸不在六艺之科孔子之术者，皆绝其道，勿使并进。邪辟之说灭息，然后统纪可一，而法度可明，民知所从矣。

——《汉书·董仲舒传》

材料三 黄宗羲认为：“世儒不察，以工商为末，妄议抑之”；顾炎武提出要因地制宜，振兴商业；黄宗羲在《原君》中宣称皇帝乃是“天下之大害”；明末清初的思想家们都主张为学应求务实，应关乎国计民生，致力于社会变革，并身体力行。    

——摘自《朱文公文集·答张敬夫》

回答：

（1）材料一中孔子认为治理国家的关键是什么？结合所学知识，分析儒家思想在春秋战国时期受到冷落的主要原因。（4分）

（2）据材料二，指出董仲舒提出的主张，这一主张对我国后世思想领域的影响是什么?（6分）

（3）明清时期，儒家思想发展到新的阶段，结合材料三概括指出其在政治、经济和学术方面新的表现。（3分）

断面点状维管束排列成波状或放射状环纹的药材为

A．绵马贯众
B．狗脊
C．商陆
D．肉苁蓉
E．石斛