Normally, the distance between the approach and the main signal is no less than _______ meters.
举一反三
- Normally, the distance between the approach and the main signal is no less than ________meters. A: yellow B: ed C: lue D: green
- Normally, the distance between the approach and the main signal is no less than ( )meters. A: 500 B: 600 C: 700 D: 800
- How large is Pit No. 1 of the Terracotta Army? A: With an area of more than 14,000 square meters and is the largest pit. B: B. With an area of more than 10,000 square meters. C: C. With an area of more than 5,000 square meters. D: D. Less than 5,000 square meters.
- In Singapore, nearly two-thirds of the main island is less than 15 meters above sea level.
- Edward Hall divides physical distance between people into four categories: public distance, social distance, personal distance, and intimate distance, among which, _____ is about 0.45 to 1.2 meters. A: public distance B: social distance C: personal distance D: intimate distance