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患者，男性，26岁，畏寒，继之发热，体温最高达39℃，伴头痛，3小时后退热，退热后体力、食欲好，每2天发热1次，查WBC6．2×109／L，中性粒细胞70％。

为明确诊断还需进行哪些检查（）

A.脑脊液检查

B.血培养

C.血涂片

D.间接血凝试验

E.动物接种

答案

参考答案：B, D

单项选择题

固体废物污染：是指因对固体废物的处置不当而使其进入环境，从而导致危害人体健康或财产安全，以及破坏生态系统、造成环境质量恶化的现象。下列不属于固体废物污染的有( )。

A．甲工厂非法排污入汉江

B．乙诊所没有按规定处理使用过的一次性注射器，而是随意丢于路边，被几个三岁小孩拾起，不慎划破手指感染

C．铁路两边的白色一次性餐盒

D．某高校物理实验室用过的铀，未埋好，被一拾破烂者发现，该人三星期后身亡
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单项选择题

Standard English is the variety of English which is usually used in print and which is normally taught in schools and to non-native speakers learning the language. It is also the variety which is normally (1) by educated people and used in news broadcasts and other (2) situations. The difference between standard and nonstandard, it should be noted, has (3) in principle to do with differences between formal and colloquial (4) ; standard English has colloquial as well as formal variants.

(5) , the standard variety of English is based on the London (6) of English that developed after the Norman Conquest resulted in the removal of the Court from Winchester to London. This dialect became the one (7) by the educated, and it was developed and promoted (8) a model, or norm, for wider and wider segments of society. It was also the (9) that was carried overseas, but not one unaffected by such export. Today, (10) English is arranged to the extent that tile grammar and vocabulary of English are (11) the same everywhere in the world where English is used; (12) among local standards is really quite minor, (13) the Singapore, South Africa, and Irish varieties are really very (14) different from one another so far as grammar and vocabulary are (15) .Indeed, Standard English is so powerful that it exerts a tremendous (16) on all local varieties, to the extent that many of long-established dialects of England have (17) much of their vigor and there is considerable pressure on them to be (18) . This latter situation is not unique (19) English: it is also true in other countries where processes of standardization are (20) .But it sometimes creates problems for speakers who try to strike some kind of compromise between local norms and national, even supranational ones.

3（）

A.anything

B.something

C.nothing

D.everything
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