现应用于风湿病学临床的自身抗体谱有__________。

共同要素说

缺词填空。先通读下面的短文，掌握其大意，然后根据短文内容和所给首字母，在空格内填入一个适当的词，使短文意思完整。

    In some countries in western Europe, such as France, Belium and Britain, the countryside is c            (1).

    Life has become difficult for many villages, and some are d             (2). There are a number of reasons for

this. Firstly, young people from villages usually want to live s              (3) livelier and they often move to the

towns and do not r             (4). Secondly, people move to the cities to find work, a_______ (5) there are often

very few jobs in the countryside. Sometimes villages remain (留下) because people from the cities have

b______ (6) a "second home" in the village, where they come and s_______ (7) at weekends. The prices of

houses go up and people from the area cannot a________ (8) to buy a house there. Another p_______ (9) is that

it is becoming more and more difficult for farmers to make money from the farms. So they sell their

l________ (10) and find another job.

    All these things mean that many villages in western Europe are f_________ (11) to survive. We can only

hope that they will remain. The countryside would be a sadder and u_________ (12) place without them.

竞争按( )划分，可分为行业内竞争和行业间竞争。

A．市场主体

B．领域

C．作用

D．方式

2004年7月8日，陈某带着9岁的侄儿小陈到体育馆去学游泳。因陈某疏于照顾致使小陈溺水，送至医院后小陈一直处于深昏迷状态，至诉讼时仍在医院治疗，为抢救治疗共花去医疗费38.17万元。2004年，小陈的父母以小陈及自己作为原告向法院提起诉讼，状告体育馆、陈某，要求赔偿医药费、精神损失费等。法院审理后作出了判决，认为体育馆已配备了相应的救生器材，尽到救助义务，不承担责任。陈某疏于监管，造成小陈在深水区溺水，应承担一定的过失责任，由其赔偿原告10万元。驳回原告的其他诉讼请求。原告不服提起上诉，二审中，原告又主动撤回上诉。此时，法院如果发现以下哪些情况则应当裁定准予撤回上诉

A．有证据证明体育馆并未按规定配备相应的救生器材

B．本案中关于认定陈某责任的法律法规适用错误

C．原审法院合议庭的成员应当回避而未回避

D．原、被告双方达成和解协议

连续多普勒取样线上的符号表示（）。

A.距离选通点

B.采集血流的部位

C.波束发射与接收的焦点

D.所设定的取样容积

E.无任何意义