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【单选题】
阶常微分方程的通() .A.
含有 个独立的任意常 数的解；
B.
含有 个任意常 数的解；
C.
含有任意常 数的解；
D.
包含方程所有 解的通式 .
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【单选题】男性患者，46岁，饮酒后突发中上腹持续性疼痛，阵发性加剧，伴恶心，呕吐。血、尿淀粉酶均明显高于正常。该患者最可能的诊断是
A.
急性阑尾炎
B.
急性心肌梗死
C.
急性胰腺炎
D.
急性胃肠炎
E.
胆道结石
【单选题】Although the necklace is not made of real crystal, the shape and its size still most young people to buy it.
A.
appeal to
B.
fit for
C.
go with
D.
apply for
【判断题】环境是指与某一中心事物有关(相适应)的周围客观事物的总和,中心事物是指被研究的对象。对人类社会而言,环境就是影响人类生存和发展的物质、能量、社会、自然因素的总和。
A.
正确
B.
错误
【单选题】患者男性，46岁，突发腹痛伴恶心、呕吐，肛门停止排气，腹痛剧烈，呕吐物有粪臭味。查体示：脐周可见肠型，全腹压痛明显。恶心、呕吐的病因是
A.
幽门梗阻
B.
胃食管返流病
C.
消化性溃疡
D.
小肠梗阻
【单选题】Although 3 people have died of the flu, most have _________ symptoms and will get over it without treatment in a few days. [ ]
A.
mild
B.
similar
C.
impressive
D.
previous
【单选题】患者男性，46岁，突发腹痛伴恶心、呕吐，肛门停止排气，腹痛剧烈，呕吐物有粪臭味。查体示：脐周可见肠型，全腹压痛明显。恶心、呕吐的病因是
A.
幽门梗阻
B.
胃食管返流病
C.
消化性溃疡
D.
小肠梗阻
E.
溃疡性结肠炎
【简答题】Read paragraphs 3 to 7, and match the numbers of five ways of reading more books in the text with the following sentences.
【单选题】Although the'on line'life style. has dominated the majority of city youth, most people in the remote countryside still think Internet or something is_______ to their life.
A.
unconcerned
B.
irrelevant
C.
inseparable
D.
inaccessible
【简答题】阅读理解。 Although most people know there are Seven Wonders in the Ancient World, only few people can name them. This is because most of them are no longer there except the pyramids. However, there is a g...
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