题目内容

There are two ways to organize a contrast essay. One is the block-by-block method, and the other is the point-by-point method.

A. 对
B. 错

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The writer argues her point with the point-by-point method to make a contrast between parents of today’s college students and the writer’s parents.

A. 对
B. 错

In the last paragraph, the writer provides an interesting perspective on cross-generational differences and offers advice for parents of today’s college students.

A. 对
B. 错

一对标准圆柱齿轮传动中,由于小齿轮(齿轮1)齿面的曲率半径小,所以接触应力sH1

A. 对
B. 错

下列关于同步代码块的特征说法错误的是( )

A. 可以解决多线程的安全问题
B. 降低程序的性能
C. 使用synchronized关键字修饰
D. 多线程同步的锁只能是object对象

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