下载APP
【单选题】
His books are a pleasure to read because he writes with such clarity and _______.
A.
generalization
B.
blur
C.
confusion
D.
precision
举报
参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】已知函数$f(x)=1-x^2, x \leq 0 , f(x)= x + 2, x >0$，则$f(x)$ 在$x=0$ 点的单侧连续性
A.
左连续，右连续
B.
左连续，右不连续
C.
右连续，左不连续
D.
左右都不连续
【单选题】已知函数$f(x)=sgn (x)+[x]$, 其中$sgn(x)$是符号函数，则$f(x)$在$x=0$ 点左右极限分别为
A.
-2, 1
B.
-2, 0
C.
0, 1
D.
0, 2
【单选题】设$X\sim N(3,4)$,求P{2 < X ≤ 5}
A.
$\Phi(1)+\Phi(0.5)$
B.
$\Phi(1)-\Phi(-0.5)$
C.
$\Phi(0.5)+\Phi(0.25)$
D.
$\Phi(0.5)-\Phi(-0.25)$
【单选题】Which statement regarding (2, 4)-trees is incorrect? 关于(2, 4)-树，下列命题不正确的是：
A.
(2, 4)-trees are equivalent to red-black trees (2,4)-树等价于红黑树
B.
Each internal node has no more than 4 branches 每个内部节点的分支数不超过4
C.
Each internal node has no less than 2 branches 每个内部节点的分支数不小于2
D.
Each node has exactly 3 keys except for the root 除了根节点外，每个内部节点都恰好包含3个关键码
【单选题】The town finally _______ last week after being pounded with heavy artillery for more than two months.
A.
succeeded
B.
subscribed
C.
succumbed
D.
suspected