高钾血症时出现心律失常，首先采用（） A.10%葡萄糖酸钙 B.5%碳酸氢钠 C.1

Generally speaking, a British is widely regarded as a quiet, shy and conservative person who is (1) only among those with whom he is acquainted. When a stranger is at present, he often seems nervous, even (2) . You have to take a commuter train any morning or evening to (3) the truth of this.

Serious-looking businessmen and women sit reading their newspapers or dozing in a corner; hardly anybody talks, since to do so would be considered quite (4) .

(5) , there is an unwritten but clearly understood code of behavior which, once broken, makes the offender immediately the object of (6) .

It has been known as a fact that a British has a (7) for the discussion of their weather and that, if given a chance, he will talk about it (8) .

Some people argue that it is because the British weather seldom (9) forecast and hence becomes a source of interest and (10) to everyone.

This may be so. (11) a British cannot have much (12) in the weathermen, who, after promising fine, sunny weather for the following day, are often proved wrong (13) a cloud over the Atlantic brings rainy weather to all districts! The man in the street seems to be as accurate — or as inaccurate — as the weathermen in his (14) .

Foreigners may be surprised at the number of references (15) weather that the British (16) to each other in the course of a single day. Very often conversational greetings are (17) by comments on the weather. “Nice day, isn’t it” “Beautiful!” may well be heard instead of “Good morning, how are you” Although the foreigner may consider this exaggerated and comic, it is (18) .pointing out that it could be used to his advantage. If he wants to start a conversation with a British but is at a loss to know (19) to begin, he could do well to mention the state of the weather. It is a safe subject which will (20) an answer from even the most reserved of the British.

18（）

A.reasonable

B.useful

C.worthwhile

D.meaningful

近似数6.3万精确到      位，近似数0.00310的有效数字共有      个.

某男，45岁，一月前行脾切除术后经锁骨下静脉导管输液，因肝功能异常转入感染科，3天后病人出现发热，体温：38℃，穿刺部位有弥散性红斑和炎性分泌物，并有疼痛感。

此感染应届于

A．穿刺部位感染

B．穿刺部位感染属于医院感染

C．穿刺部位感染不属于医院感染

D．穿刺部位无菌化脓不属于感染

E．以上都不是

藏象学说认为，人体自身整体性的中心是（）

A.经络

B.血脉

C.神志

D.气血

E.五脏

2002年，某国有商业银行A支行与B公司签订一个合同，双方约定，B公司以一幢价值2000万的楼房为其从A支行借款提供抵押担保，自2002年1月2日至2004年1月1日期间，发生的借款都以该楼房抵押。签订合同后，双方办理了抵押登记。此后，约定期间内，B公司3次向A支行借款1500万。2005年，A支行与某资产管理公司签订债权转让协议，将上述借款合同债权与担保权利转让给C公司，并向B公司发出债权转让通知和担保权利转让通知。下列说法中正确的是：（）

A.A支行与B公司签订了最高额抵押合同

B.支行转让债权及抵押权的行为有效

C.支行转让债权及抵押权的行为无效

D.B有权拒绝在担保权利转让通知上签字