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【单选题】
患者,女性,45岁,左侧乳腺癌手术化疗中,5天前起咳嗽、少痰,3天前出现发热,体温最高38.5°C,伴畏寒。血白细胞计数3.0*109/L;X线胸片示:右肺中下野大片模糊影,并可见不规则透亮区,伴右侧少量胸腔积液。本病例肺部感染考虑最有可能的病原体是A.
肺炎衣原体
B.
革兰阴性杆菌
C.
肺炎支原体
D.
金黄色葡萄球菌
E.
肺炎链球菌
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【简答题】Yang Yunjing is a tour guide volunteer in Tibet.（） She went there five times as tour guide（导游）. Her parents and friends couldn’t understand why she chose the hard work. But facing all the confusion(...
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【简答题】计算 （1）|-1|- (π- 2 ) 0 +2 -2 （2） ( 2 +1)( 2 -1)+( 3 -2 ) 2 ．
【单选题】What are not the different types of tour guide in the tourism industry?
A.
National guide.
B.
Tour leader.
C.
Local guide.
D.
Travel operator.
【单选题】Why a tour guide should introduce the tour itinerary? Which one is the wrong answer?
A.
Because it is the necessity of service tenet of a tour guide.
B.
Because the tourists always want to know the schedule and itinerary urgently.
C.
Because the tourists wants the tour guide offer some recommends for them.
D.
Because the tourists wants to travel by themselves.
【简答题】数字通信系统的数据传输速率是指单位时间内传输的二进位数目,一般不采用________作为它的计量单位A. KB/s B kb/s C Mb/s D Gb/s
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