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【单选题】
患者女性,26岁。因月经量增多4个月伴牙龈出血2入院。查体:下肢皮肤散在出血点和瘀斑,妇科检查未见异常。实验室检查提示Hb70g/L,WBC4×109/L,PLT20×109/L。该患者最可能的诊断是:A.
缺铁性贫血
B.
溶血性贫血
C.
再生障碍性贫血
D.
特发性血小板减少性紫癜
E.
急性白血病
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【简答题】在电子商务条件下，买方应承担按照合同规定的_______、_______和_______接受标的物的义务。
【单选题】急性呼吸窘迫综合征最重要的诊断依据是( )
A.
呼吸频率增加，每分钟＞28 次/分
B.
肺泡-动脉氧分压差降低
C.
氧合指数 ≤ 300mmHg
D.
肺内分流量减少
E.
血气分析提示低氧血症伴轻度二氧化碳潴留
【单选题】在电子商务条件下，卖方应该承担的义务不包括：()
A.
按照合同的规定提交标的物及单据
B.
对标的物的权利承担担保义务
C.
对标的物的质量承担担保义务
D.
对标的物的价格承担优惠义务
【单选题】—Do you know sound travels very fast? 一Yes. But light travels _________ sound.
A.
much faster than
B.
a little faster than
C.
as fast as
D.
slower than
【单选题】A) He spent three months writing “Travels with Charley”. B) He enjoyed his travels around the United States. C) He was fond of writing about his travels. D) He didn't enjoy the trip as much as Charley...
A.
He spent three months writing “Travels with Charley”.
B.
He enjoyed his travels around the United States.
C.
He was fond of writing about his travels.
D.
He didn't enjoy the trip as much as Charley.
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