举一反三
- The advantages of computer numerical control systems do not include ( ). A: Using software to change the function of NC system flexibly, high flexibility B: Making full use of computer technology and its peripheral equipment to enhance the function of numerical control system; C: The function of NC system is realized by hardware, and the reliability is high D: The system performance price ratio is high and the economy is good
- 1. High Speed Rail is the fastest way of traveling in China.
- High-speed rail is a passenger train system. It is designed for high ____ of speed. A: ates B: way
- 【多选题】Management of performance ensures_____ A. continuous improvement B. discontinue improvement C. performance reviews D. behavioral improvement
- The speed of high-speed train is over ( ).
内容
- 0
What are the reasons for people to choose high-speed rail? A: convenient ticket purchasing B: fast running speed C: high punctuality rate D: effortless transfer
- 1
The operating speed of High-speed railway is more than ______ .
- 2
The platform of the high speed railway station has been equipped with step-free_______。( ) A: entrance B: entrances C: access D: way
- 3
Which of the following is a possible cause of the event "the high speed train is underdeveloped in the US"? A: Americans don't like the high speed train. B: Highway network is advanced. C: The geography is unsuitable for the high speed train. D: The high speed train damages environment.
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中国大学MOOC: On August 1st, 2008, China’s first high speed railway, Beijing-Tianjin Intercity High Speed Railway was put into use, marking the beginning of the high speed era.