题目内容

核小体的核心蛋白质的组成()。

A. H2H2H3、H4各四分子
B. 非组蛋白
C. H2H2H3、H4各二分子
D. H2H2H3、H4各一分子
E. H1组蛋白与140-145碱基对DNA

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class Computation extends Thread { private int num; private boolean isComplete; private int result; public Computation(int num) { this.num = num; } public synchronized void run() { result = num * 2; isComplete = true; notify(); } public synchronized int getResult() { while (!isComplete) { try { wait(); } catch (InterruptedException e) { } } return result; } public static void main(String[] args) { Computation[] computations = new Computation [4]; for (int i = 0; i < computations.length; i++) { computations[i] = new Computation(i); computations[i] .start(); } for (Computation c : computations) System.out.print(c.getResult() +“ “); } } What is the result?()

A. The code will deadlock.
B. The code may run with no output.
C. An exception is thrown at runtime.
D. The code may run with output “0 6”.
E. The code may run with output “2 0 6 4‟.
F. The code may ruin with output “0 2 4 6”.

起源未明()

A. 耳源性脑脓肿
B. 外伤性脑脓肿
C. 血源性脑脓肿
D. 鼻源性脑脓肿
E. 隐源性脑脓肿

对井下机车运输信号有什么要求?

测量值的精密度高,其准确度也一定高。

A. 正确
B. 错误

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