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男，22岁。发现左胸前壁无痛性肿物3个月。查：左胸前壁有一直径约6cm包块，皮肤温度不高，无压痛，有波动感。入院后查血沉6mm／h。

胸壁结核行病灶清除术的手术适应证，下列哪项是错误的（）

A.结核活动并继发感染

B.形成哑铃形脓肿

C.药物治疗疗效不明显

D.病变已形成窦道

E.曾经继发感染

答案

参考答案：A

单项选择题

Motorways are, no doubt the safest roads in Britain. Mile (41) mile, vehicle for vehicle, you are much (42) likely to be killed or seriously injured than on an ordinary road. On (43) hand, if you do have a serious accident on a motorway, fatalities are much more likely to (44) than in a comparable accident (45) on the roads.
Motorways have no (46) bends,, no roundabouts or traffic lights and (47) speeds are much greater than on other roads. Though the 70 mph limit is (48) in force, it is often treated with the contempt that most drivers have for the 30 mph limit applying in built up areas in Britain. Added to this is the fact that motorway drivers seem to like traveling in groups with perhaps (49) ten metres between each vehicle. The resulting horrific pile-ups (50) vehicle stops for some reason mechanical failure, driver error and so on have become all (51) familiar through pictures in newspapers or on television. How (52) of these drivers realize that it takes a car about one hundred metres to brake to a stop (53) 70 mph Drivers also seem to think that motorway driving gives them complete protection from the changing weather. (54) wet the road, whatever the visibility in mist or fog, on they (55) at ridiculous speeds oblivious of police warnings or speed restrictions (56) their journey comes to a conclusion. Perhaps one remedy (57) this motorway madness would be better driver education. At present, learner drivers are bared (58) motorways and are thus as far as this kind of driving is (59) thrown in at the deep end. However, much more efficient policing is required, (60) it is the duty of the police not only to enforce the law but also to protect the general public from its own foolishness.

A．another

B．other

C．one

D．the other
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名词解释

增补菌丛（supplemental flora）
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