患者男性，70岁。吸烟40年，既往有慢性乙肝、腹胀病史。因便血，腹痛，大汗淋漓入院，

以下哪种药物含有甲状腺素（）

A.羊靥

B.生牡蛎

C.海带

D.海藻

E.黄药子

细胞凋亡的形态学特征为（）。

A.聚集的大片细胞的死亡

B.是不耗能的被动过程

C.细胞膜及各细胞器膜不完整

D.可引起周围组织的炎症反应

E.形成凋亡小体

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.

两个以上的申请人分别就同样的发明创造申请专利的，专利权授予最先申请的人。两个以上的申请人在同一日分别就同样的发明创造申请专利的，按照“使用在先”的原则，专利权授予最先使用的人。 ( )

副翼自定中是由什么控制的？

A、左定中杆上的弹簧

B、摩擦力

C、松紧绳

D、没有自定中