随着距地表深度的不断加大,风化作用的程度( )
越来越弱
越来越强
不发生变化
无法判断
使用积分解锁答案,让你的形成性考核不再困难。
随着距地表深度的不断加大,风化作用的程度( )
越来越弱
越来越强
不发生变化
无法判断
二、阅读理解:完形填空题(每空10分)
操作提示:通过题目中的下拉选项框选择恰当的词语补全填空。
Drunk driving(醉驾) has become a serious problem in China. According to the Ministry of Public Security(公安部), the police caught more than half a million drunk drivers in 2010. On the night of May 9, 2011, musician Gao Xiaosong ran his car into three other cars in Beijing because he drank too much 1 . He was 2 under China's new drunk driving law that came into use on May 1, 2011.
The new law sees drunk driving as a 3 . In the west, drunk driving is also a crime. In the US, for example, if the police catch a drunk driver, the driver will pay a 4 , lose his or her 5 and even go to prison(监狱). If the driver wants to drive again, he or she has to do public service, and take part in educational programs.
You may think: drunk driving is crime? Isn't this law too unkind? But experts say: not at all. They think it is to protect people's tights to life and health. Drunk driving is very dangerous!
A. water B. wine C. juice
2. A. punished B. punishes C. punishing
3. A. problem B. crime C. good behavior
4. A. well B. good C. fine
5. A. life B. job C. license
自动控制就是在人直接参与的情况下,利用控制装置使生产过程的输出量按照给定的规律运行或变化。
反馈控制系统通常是指正反馈。
所谓反馈控制系统就是的系统的输出必须全部返回到输入端。