A: Large amount of development work
B: Trackless equipment has large initial investment, heavy maintenance workload and high technical level requirements
C: The development depth is restricted by driving technology and economic factors
D: No steel is required
举一反三
- What technolgies forced the development of multimedia technology? A: Storage technology B: Compression technology C: Network technolgy D: Large Scale Integrate Circuit
- What are the technical factors to be considered in mining methods? ( ) A: Equipment level B: Technology method C: Strata control D: Cost per ton of coal
- The western part of China has enormous ( ) for economic development, but a lot of investment is also needed.
- According to the level of economic development, China is a country.
- New technology has enabled development of an online “virtuallibrary”. A: virtual B: economic C: electric D: electrical
内容
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High priority is given to meeting the challenges of economic and environmental development in the region.We __________ to meeting the challenges of economic and environmental development in the region. (accord)
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What are the advantages of ramp development method?( ) A: It is less affected by terrain, industrial site and other conditions B: Early commissioning C: Convenient, flexible, less links D: Excavation, mining, loading, transportation, unloading comprehensive mechanization, high efficiency, low cost E: Save a lot of steel
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What is the impact of financial innovation on financial development and economic growth? A: More advantages than disadvantages B: More disadvantages than advantages C: Equal in disadvantages and advantages D: Only advantages
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What are the differences between economic growth and economic development？
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You think economic development takes priority over environmental protection, you will say_____. A: Poverty is still a serious problem at present in many parts of the world. B: Economic development is essential to reducing poverty and improving people’s lives. C: Economic development also fuels the development of technology, which will enable us to better protect the environment. D: All of the above.