Passage comprehension I-24
A: It will stop automatically.
B: It will move on at the same speed.
C: It will gradually slow down
D: It will keep a safe distance from the other trains
A: It will stop automatically.
B: It will move on at the same speed.
C: It will gradually slow down
D: It will keep a safe distance from the other trains
举一反三
- Passage comprehension I-24 A: To drive the train after it started automatically. B: To start the train and to drive it when necessary. C: To take care of the passengers on the train. D: To send commanding signals to the command spot,
- Every vessel should at all times proceed at a safe speed. Safe speed is defined as that speed where ____.
- 中国大学MOOC: Two spaceships move with same speed 0.80c relative to the Earth, but in opposite directions. What is the speed of one ship relative to the other? (c is the speed of light in vacuum)
- Two spaceships move with same speed 0.80c relative to the Earth, but in opposite directions. What is the speed of one ship relative to the other? (c is the speed of light in vacuum) A: 0.80c B: 0.976c C: 0.994c D: 1.60c
- s ________：to happen at the same time or to move at the same speed as something