患者男性，58岁。胸闷1年，因平时静息心电图正常而行平板运动试验。运动至目标心率的7

2008年8月1日，我国第一条具有自主知识产权、国际一流水平的京津高速城际铁路正式通车运营。完成15—16题。

15、在充分科学论证的基础上，大量采用了国际领先的铁路建设技术，京津城际铁路开创了我国铁路建设史上的多项“第一”。这说明       

A．科学理论对实践活动有指导作用　　B．实现认识的第一次飞跃需要发挥主观能动性

C．认识的根本任务是指导实践   　　D．实践活动是在一定社会关系中进行的

16、京津城际列车的开通是打破行政区划限制、合作共赢的典型案例，它将极大地拉近京津两地经济空间，使两地资源互补成为可能。这说明     

①事物之间的相互影响和相互制约促成了新事物的成长

②承认矛盾的普遍性和客观性是正确认识事物的基础

③按客观规律办事必须坚持解放思想和实事求是的统一

④“抓好典型”的工作方法是正确解决矛盾的关键

A．①②    B．③④    C．①③    D．①④

50岁男性，US示肝右叶内1.5cm低回声占位，有包膜，MRI扫描，T₁加权像病灶呈略低信号，T₂加权像等信号，除应考虑小肝癌可能外，还应考虑下列哪种疾病（）

A.血管瘤

B.转移性肝癌

C.黑色素瘤

D.肝脓肿早期

E.肝脏炎性假瘤

我国自( )起就将实行计划生育、控制人口数量、提高人口素质确立为国家的一项基本政策。

A．20世纪60年代末期

B．20世纪70年代初期

C．20世纪70年代末期

D．20世纪0年代末80年代初

Many animals engage in play，but homo sapiens is the only animal (1) have invented sports.Since sports are an invention，a part of culture (2) than an aspect of nature，all definitions of sports are somewhat arbitrary. (3) sports are a human universal found in every known culture or a (4) unique to modern society depends upon one’s definition of sports.Men and (5) have always run，jumped，climbed，lifted，thrown， and wrestled，but they have (6) always performed these physical activities competitively. Although all literate societies seem to (7) contests of one sort or another in which men， and sometimes women， (8) in displays and tests of physical skill and prowess，sports may be (9) defined as physical contests performed for their own sake and not for (10) ulterior end.According to this strict definition，neither Neolithic hunters nor contestants (11) religious ceremonies such as the ancient Olympic Games were engaged in sports. (12) on the stipulation that sports must be performed for their own sake (13) the paradoxical elimination of many activities which are usually thought of as (14) ，such as exercises done for the sake of cardiovascular fitness，races run (15) satisfy a physical education requirement，ball games played to earn a paycheck. (16) definition also means abandonment of the traditional usage in which"sport，"derived (17) Middle English disporter，refers to any light hearted recreational activity.In the. (18) of some 18th- century aristocrats，a game of backgammon and the seduction of (19) milkmaid were both considered good sport，but this usage of the term (20) become archaic.

我国肝癌协作病理诊断小肝癌的标准是（）

A.单个癌结节最大直径≤3.0cm；多个癌结节数目≤2个，其最大直径总和≤3.0cm

B.单个癌结节最大直径≤2.0cm；多个癌结节数目≤3个，其最大直径总和≤2.0cm

C.单个癌结节最大直径≤3.0cm；多个癌结节数目≤3个，其最大直径总和≤3.0cm

D.单个癌结节最大直径≤2.0cm；多个癌结节最大直径总和≤3.0cm

E.单个癌结节最大直径≤2.0cm；多个癌结节数目≤3个，其最大直径总和≤3.0cm