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【单选题】
、A, B, C三个元件并联;
A.
0.012
B.
0.328
C.
0.448
D.
0.552
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参考答案:
举一反三
查体前腹壁凹陷⼏乎贴近脊柱,肋⼸、髂嵴和耻⻣联合明显显露,⻅于
A.
恶性肿瘤
B.
右⼼衰竭
C.
肠梗阻
D.
胃肠穿孔
E.
急性肾炎肾炎
上腹部出现明显胃蠕动波,常⻅于哪种疾病
A.
急性胃炎
B.
胃黏膜脱垂
C.
胃癌
D.
胃溃疡
E.
幽⻔梗阻
腹围正确的测量⽅法为
A.
患者排尿后平卧,⽤软尺经脐绕腹⼀周,测得的周⻓为腹围
B.
患者排尿后平卧,⽤软尺绕腹⼀周,测得的周⻓为腹围
C.
患者排尿后平卧,⽤软尺经两髂前上棘绕腹⼀周,测得的周⻓为腹围
D.
患者排尿后平卧,⽤软尺经两侧肋⼸下缘绕腹⼀周,测得的周⻓为腹围
E.
患者排尿后平卧,⽤软尺经上腹部绕腹⼀周,测得的周⻓为腹围
⻔脉⾼压时,腹壁曲张静脉为
A.
脐以上⾎流⽅向由下⾄上,脐以下⾎流由上⾄下
B.
脐以上⾎流⽅向由上⾄下,脐以下⾎流由下⾄上
C.
以脐为中⼼向四周伸展
D.
脐以上⾎流⽅向由上⾄下,脐以下⾎流由上⾄下
E.
脐以上⾎流⽅向由下⾄上,脐以下⾎流由下⾄上
左侧腰部及脐周围⽪肤呈蓝⾊,考虑哪种疾病
A.
肾上腺⽪质功能减退症
B.
急性出⾎坏死性胰腺炎
C.
妊娠
D.
麻疹
E.
⽪质醇增多症
腹壁⽪肤的检查内容,不包括
A.
⽪疹
B.
⾊素
C.
腹纹
D.
上腹部搏动
E.
瘢痕
哪种情况不会出现腹部⽪肤⾊素沉着
A.
多发性神经纤维瘤
B.
紫癜
C.
肾上腺⽪质功能减退症
D.
妇⼥妊娠期
E.
急性出⾎坏死型胰腺炎
脾脏中度肿⼤指
A.
脾缘不超过肋下2cm
B.
脾缘超过肋下2cm⾄脐⽔平线以上
C.
脾缘超过肋下3cm⾄脐⽔平线上
D.
脾缘超过脐⽔平线
E.
脾缘超过前正中线
右下腹包块,有压痛、固定,可⻅于
A.
右侧输卵管炎
B.
右侧输卵管癌
C.
妊娠⼦宫
D.
⼦宫肿瘤
E.
膀胱
脐周触及不规则包块,固定不动,有明显压痛伴反跳痛,腹部常有柔韧感。可⻅于
A.
阑尾周围脓肿
B.
结核性腹膜炎
C.
肠系膜淋巴结核
D.
⾎吸⾍病
E.
⼄状结肠癌
类圆型包块或较粗索条型,灌肠后移位或消失。⻅于
A.
腹直肌腱划
B.
腰椎体及骶⻣岬
C.
⼄状结肠粪便
D.
横结肠
E.
腹主动脉
肝脏进⾏性肿⼤,质地坚硬,有结节感。最常⻅于
A.
肝淤⾎
B.
慢性肝炎
C.
肝癌
D.
脂肪肝
E.
急性肝炎
肝脏较常⽤的触诊⽅法是
A.
深压触诊法
B.
钩指触诊法
C.
深部触诊法
D.
冲击触诊法
E.
浅部触诊法
肝脏触诊时,浮沉触诊法⽤于哪种情况
A.
腹膜炎时肝脏触诊
B.
⼤量腹⽔时肝脏触诊
C.
肥胖患者的肝脏触诊
D.
单⼿触诊不满意时
E.
双⼿触诊不满意时
液波震颤常⻅于哪个疾病
A.
急性和亚急性肝坏死
B.
肝囊肿
C.
⼤量腹⽔
D.
急性腹膜炎
E.
肺源性⼼脏病,右⼼室肥⼤
液波震颤阳性的腹⽔量⾄少是
A.
5000~6000ml
B.
1000~2000ml
C.
4000~5000ml
D.
2000~3000ml
E.
3000~4000ml
肝颈静脉回流征阳性,可⻅于
A.
肝硬化
B.
右⼼衰竭
C.
⾼⾎压⼼脏病
D.
⼆尖瓣狭窄
E.
⼆尖瓣关闭不全
叩诊肝脏发现肝浊⾳界消失,⻅于
A.
急性胆囊炎
B.
急性胃炎
C.
急性胰腺炎
D.
急性阑尾炎
E.
溃疡病穿孔
正常肝上下径为多少厘⽶
A.
9-11cm
B.
8-12cm
C.
10-12cm
D.
9-10cm
E.
7-9cm
视诊⻅患者右上腹腹直肌旁切⼝瘢痕,最可能的⼿术是
A.
胆囊⼿术
B.
阑尾炎⼿术
C.
胃⼤部切除术
D.
脾脏⼿术
E.
⽆法确定
腹腔内肿块,表⾯光滑,有弹性或波动感,边界清楚⽆压痛。⻅于
A.
恶性肿瘤性肿块
B.
良性肿瘤性肿块
C.
炎症状肿块
D.
囊肿性肿块
E.
梗阻性肿块
腹腔内肿块不易推动,边界不清,有明显压痛。⻅于
A.
恶性肿瘤性肿块
B.
良性肿瘤性肿块
C.
炎症状肿块
D.
囊肿性肿块
E.
梗阻性肿块
腹部反跳痛发⽣的病理机制是
A.
空腔脏器扩张
B.
内脏肿⼤与肿瘤
C.
腹膜后淋巴结肿⼤
D.
腹腔脏器炎症累及壁层腹膜
E.
腹腔脏器炎症累及脏层腹膜
腹式呼吸增强,⻅于
A.
急性腹膜炎
B.
膈麻痹
C.
腹⽔
D.
腹腔内巨⼤肿物
E.
胸腔疾病
腹部检查⽅法以哪种最为重要
A.
视诊
B.
触诊
C.
叩诊
D.
听诊
E.
嗅诊
腹部叩诊⿎⾳范围缩⼩,⻅于
A.
肝脾极度肿⼤
B.
胃肠⾼度胀⽓
C.
⼈⼯⽓腹
D.
胃肠穿孔
E.
肠梗阻
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B.
$-\frac{1}{\sqrt{3}}$
C.
$\frac{1}{2}$
D.
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【单选题】Why does the memory becomes smaller and smaller?内存“越来越小”的原因是:
A.
With more and more processes running on one computer, the average memroy size for each process is getting smaller 机器上运行的程序越来越多,平均每个程序使用的内存变小
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Follow the lecture closely and look for opportunities to ask relevant questions.
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Pretend you’re fully prepared and listen carefully
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【单选题】The baby carrying the DNA of three parents is an experimental specimen, aiming at ______.
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【单选题】B-trees are 树结构上的特点是:
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short and chubby, with each node having at most two children矮胖,每个节点至多两个孩子
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short and chubby, with each node having potentially many children矮胖,每个节点可有多于两个孩子
C.
tall and slim, with each node having at most two children瘦高,每个节点至多两个孩子
D.
tall and slim, with each node having potentially many children瘦高,每个节点可有多于两个孩子
【单选题】B-trees have small height so as to B树的层数少有助于:
A.
reduce the number of I/O operations 减少I/O次数
B.
reduce the time consumption for a single I/O 减少每次I/O的时间
C.
reduce the asymptotic time complexity for seaching 降低查找的渐进时间复杂度
D.
reduce the storage requirement 节省存储空间
【单选题】In the Academic Writing part, Alex discussed with Ruoqi on academic skills, such as ______.
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plagiarism, paraphrasing and summarizing
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plagiarism, paraphrasing and synthesizing
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how to avoid plagiarism, paraphrase and summarize
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how to avoid plagiarism, paraphrase and synthesize
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减轻医疗负担
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【单选题】下面说法正确的是
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【单选题】What's the return value for a failed search in a B-tree of order 4?B树查找算法若最终失败,返回值为:
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It was too heavy
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it is too expensive
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Having to spend less after spending a lot during the shopping festival.
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Living a luxurious life after earning a lot of money.
C.
Having failed to live a modest life.
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Living a luxurious life.
【单选题】Popular novels can be adapted and made into ____; ____ and _____.
A.
films; television programs; video games
B.
cartoons; dramas; games
C.
websites; televisions; audio programs
D.
films; cartoons; games
【单选题】下面说法中错误的是
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FileReader类是Reader类的间接子类
B.
InputStreamReader类是Reader类的子类
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【单选题】What's the 'overflow' for a B-tree?B树的上溢是指:
A.
The property of a B-tree is violated due to removing a key 删除关键码后违反了B树的性质
B.
The property of a B-tree is violated due to inserting a key 插入新的关键码后违反了B树的性质
C.
The property of a B-tree is violated due to a split 分裂后违反了B树的性质
D.
A B-tree becomes too high B树的高度过高
【单选题】设随机变量服从区间(0,2)上的均匀分布,则$Y=X^{2}$在(0,4)上的密度函数为()
A.
$\frac{1}{3\sqrt{y}}$
B.
$\frac{1}{\sqrt{y}}$
C.
$\frac{1}{2\sqrt{y}}$
D.
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【单选题】Which consequence follows as a B-tree becomes higher?B树高度的增加一定伴随着:
A.
Each node has a larger number of keys 每个节点所存放的关键码数量增加
B.
Each node has a smaller number of keys 每个节点所存放的关键码数量减少
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Splitting to the root 分裂到根
D.
Splitting to the leaves 分裂到叶
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a great daily exercise
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a great way to keep your lawn beautiful
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a great way to keep you healthy
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landscape painting
【单选题】Choose the most appropriate answer by completing the sentences below or answering the questions.1. Why is Billy a bit disappointed about the film?
A.
The quality of the film is comparable with the novel itself.
B.
The movie is unbelievable, for the plot is not true to the novel.
C.
The stories producers and directors tell are unbelievable.
D.
While adapting the original novels into films, producer exaggerated too much.
【单选题】The differences between the original novel and their adapted film depend on _______, _______ and _______.
A.
writers; actors; audience
B.
writers; actors; producers
C.
directors; actors; audience
D.
directors; producers; audience
【单选题】The underflow of a B-tree happens whenB树的下溢发生于:
A.
the height of the tree decreases B树高度减少
B.
the property of the B-tree is violated due to inserting a key 插入关键码后违反了B树的性质
C.
the property of the B-tree is violated due to deleting a key 删除关键码后违反了B树的性质
D.
inserting a key to a leaf node 在叶节点插入关键码
【单选题】The height of a B-tree decreases only whenB树高度的减少只会发生于
A.
merging two children of the root 根节点的两个孩子合并
B.
removing the root 根节点被删除
C.
rotating the root 根节点发生旋转
D.
there are multiple keys in the root 根节点有多个关键码
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