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【单选题】
患者,男,28岁,主诉右下腹腹痛难忍,腹痛始于脐,之后转移至右下腹,查体示:体温38.8°C,脉搏118次/分,血压118/78mmHg,右下腹压痛、肌紧张、反跳痛,腰大肌试验阳性,实验室检查:白细胞14.5×10 9 /L,中性粒细胞比例0.82。A.
阑尾炎最常见的病因是( )
B.
细菌入侵
C.
病毒感染
D.
阑尾管腔阻塞
E.
进食高脂肪饮食
F.
暴力损伤
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【单选题】If women are mercilessly exploited year after year, they have only themselves to blame. Because they tremble at the thought of being seen in public in clothes that are out of fashion, they are always ...
A.
by mercilessly exploiting women workers in the clothing industry
B.
because they are capable of predicting new fashions
C.
by constantly changing the fashions in women's clothing
D.
because they attach great importance to quality in women's clothing
【简答题】If women are mercilessly exploited year after year, they have only themselves to blame. Because they tremble at the thought of being seen in public in clothes that are out of fashion, they are always...
【简答题】阅读理解。 If women are mercilessly exploited(剥削) year after year, they have only themselves to blame. Because they tremble at the thought of being seen in public in clothes that are out of fashion, they a...
【简答题】阅读理解：If women are mercilessly exploited year after year, they have only themselves to blameQuestions 36 to 40 are based on the following passage. If women are mercilessly exploited year after year, th...
【单选题】左江花山岩画的文化艺术与先进科技的展示手段结合起来,为( )拉开了序幕,向全世界展示了中华民族的优秀文化遗产。
A.
2008年北京奥运会
B.
2010年上海世界博览会
C.
2010年广州亚洲运动会
【多选题】根据尼古拉兹实验成果知,沿程阻力系数λ有( )。
A.
层流区和层、紊流过渡区λ=f(Re)
B.
紊流光滑区λ=f(Re)
C.
紊流粗燥区λ=f(Δ/d)
D.
紊流过渡区λ=f(Re,Δ/d)
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