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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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收藏参考答案：
举一反三
财务计划中挂钩变动的营业净收入计算公式为：营业净收入=利息收入+金融机构往来收入+手续费及佣金收入+其他业务收入+汇兑损益+公允价值变动损益+投资收益-利息支出-金融机构往来支出-手续费及佣金支出
A.
正确
B.
错误
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
男性，42岁，右上腹突发剧烈疼痛2⼩时，伴呕吐、尿⻩。发病前3⼩时饮⽩酒300ml，并进⻝较多油腻⻝物。查体：右上腹有压痛及反跳痛。最有诊断价值的检查是
A.
尿淀粉酶
B.
腹部B超
C.
胃镜
D.
⾎淀粉酶
E.
腹部X线平⾯
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【单选题】如果$\lim_{n\rightarrow \infty}a_n \lt \lim_{n\rightarrow \infty}b_n$,那么$n$足够大时,$a_n \lt b_n$
A.
正确
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【单选题】根据本题题干回答以下（1）（2）（3）题设电路由A, B, C三个元件组成，若元件A, B, C发生故障的概率分别是0.3, 0.2, 0.2，且各元件独立工作，试在以下情况下，求此电路发生故障的概率（1）、A, B, C三个元件串联；
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reduce the time consumption for a single I/O 减少每次I/O的时间
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NULL
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A pointer to the last examined node 指向最后一个所查找节点的指针
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A pointer to the root 指向根节点的指针
【单选题】What's the height of a B-tree of order 128 relative to a corresponding BBST?若B树的阶m=128，则它的高度大致是对应的BBST的：
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1/5
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1/6
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1/7
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1/8
【单选题】$a_1=\sqrt{2},a_2=\sqrt{2+\sqrt{2}},\dots,a_n=\sqrt{2+a_{n-1}}$当$n \rightarrow \infty$时极限
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存在
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不存在
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$\sqrt2/2$
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$\sqrt2$
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$1-\sqrt2/2$
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$1-\sqrt2$
【单选题】Which of the following is NOT the reason why she does not like to take photos with the camera?
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It was easy to break
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It was too heavy
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it is easy to get stolen
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it is too expensive
【单选题】What “eat earth” means?
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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.
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Having failed to live a modest life.
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【单选题】Popular novels can be adapted and made into ____; ____ and _____.
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films; television programs; video games
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cartoons; dramas; games
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websites; televisions; audio programs
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films; cartoons; games
【单选题】下面说法中错误的是
A.
FileReader类是Reader类的间接子类
B.
InputStreamReader类是Reader类的子类
C.
BufferedReader类可以读取一行
D.
BufferedReader的readLine()函数，如果没有数据时会返回0
【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.
$\frac{1}{\sqrt{y}}$
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$\frac{1}{2\sqrt{y}}$
D.
$\frac{1}{4\sqrt{y}}$
【判断题】法国“戴高乐”号航母的末端防御武器有：“紫苑”舰空导弹，其有效射程是30千米；还有“西北风”舰空导弹，有效射程是4千米。“戴高乐”号航母的末端防御武器，可以有效拦截来袭的反舰导弹等武器。
A.
正确
B.
错误
【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
C.
Splitting to the root 分裂到根
D.
Splitting to the leaves 分裂到叶
【单选题】令$f(x)=\frac{x^{2}}{1+x^{2}}$,则它的不定积分为（）
A.
x-arccotx+c
B.
x-arccosx+c
C.
x-arcsinx+c
D.
x-arctanx+c
【多选题】Gardening is ______.
A.
a great daily exercise
B.
a great way to keep your lawn beautiful
C.
a great way to keep you healthy
D.
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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