问题
填空题
在单线区段，应采用半自动闭塞或自动站间闭塞，繁忙区段可根据情况采用（）闭塞；在一个区段内，原则上采用同一类型的闭塞方式。
答案
参考答案：自动
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在单线区段，应采用半自动闭塞或自动站间闭塞，繁忙区段可根据情况采用（）闭塞；在一个区段内，原则上采用同一类型的闭塞方式。
参考答案：自动
| 用方框内所给单词或短语的适当形式完成句子。 | |
2. Her shoulders were badly _____. 3. Another _____ Skyscraper is being built. 4. Manufacturing _____ has increased by 8%. 5. The business _____ a big one. 6. Farmers produce millions of tons of _____ to feed the nation. 7. I _____ the result of the experiment. 8. They have _____ for years to drive the invaders (侵略者) out of their country. 9. We all wish that we could _____ the world _____ crime. 10. They can't afford to_____ their laboratories properly because of lack of funds. |
