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【单选题】
男,37岁,发热腰痛5日,无尿2日人院,目前患者躁动不安,眼睑水肿,体表静脉充盈,心率120次/分,血压160/100mmHg,解柏油样大便,量中等,此患者的治疗哪项最有效
A.
积极补液
B.
用止血剂
C.
青霉素加庆大霉素
D.
血液透析
E.
硫酸镁导泻
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【多选题】 Wittig 反应中参与反应物质有 ( )。
A.
Wittig 试剂
B.
C.
D.
烯烃
【简答题】如何以大肠杆菌质粒DNA为载体克隆一个编码动物激素的基因,并使之在大肠杆菌中进行表达?简要说明实验中可能遇到的问题及可能的解决办法。
【单选题】Everyone wants to make a good first impression, but how important are snap judgments in the long run? Very, say communications researchers Artemio Ramirez and Mike Sunnafrank, who found that 【B1】_____...
A.
the students were asked to assess how their predictions had held up
B.
they had had only three minutes to make an assessment
C.
people judge people only at first sight
D.
how much they thought the partner liked them
E.
assessments made in the first few minutes of meeting someone strongly influence the course the relationship will take
F.
they asked the students how their relationship had been
G.
when people first meet they predict the probable outcome of the relationship
H.
they wonder why their partners didn't like them 【B1】______
【简答题】编码大肠杆菌的大肠菌素的质粒为
【简答题】Agriculture is not as important to the Canadian economy as it was in the 19th century, but it continues to be the mainstay on several regions and is a significant source of export income.
【简答题】Plastic is one of the most important technological discoveries of the 20th century. However, it may soon be replaced. The new development- liquid wood- can replace plastics in all branches of modern-d...
【单选题】编码大肠杆菌的大肠菌素的质粒为
A.
致育性质粒
B.
Col质粒
C.
R质粒
D.
Vi质粒
E.
M质粒
【简答题】Plastic is one of the most important technological discoveries of the 20th century.However,it may soon be replaced.The new development—liquid wood—can replace plastics in all branches of modern indust...
【简答题】找出该组中不同类的单词: plato, taza, plancha, vaso
【单选题】妊娠合并心脏病易发生心衰的时期不包括
A.
产后3天
B.
妊娠24-28周
C.
妊娠32-34周
D.
分娩期
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