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问题 单项选择题 A1/A2型题

关于糖尿病牙周炎的治疗，正确的是（）

A.立刻进行彻底的洁刮治治疗，以尽快消除局部刺激

B.请内科医生全面检查、治疗糖尿病，待血糖控制后再做牙周治疗

C.先做应急处理，再做必要的内科检查及治疗。血糖控制后进一步牙周治疗

D.牙周炎患者治疗前应常规查血糖

E.糖尿病患者应常规做牙周治疗

答案

参考答案：C

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.

14（）

A.great

B.much

C.no

D.little
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单项选择题 A1/A2型题

关于慢性阻塞性肺疾病（COPD）的严重程度分级正确的是（）.

A.Ⅳ级FEV1/FVC<70%，FEV1<30%预计值或FEV1<50%预计值，伴有慢性呼吸衰竭

B.Ⅲ级FEV1/FVC<70%，30%≤FEV1≤50%预计值

C.Ⅱ级FEV1/FVC<70%，50%≤FEV1≤80%预计值

D.Ⅰ级FEV1/FVC<70%，FEV1>80%预计值

E.0级FEV1/FVC<70%，有罹患COPD的危险因素
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