If a soldier took a red light for a green light he probably would（）
A: be left behind alone
B: advance along
C: go with the others
D: stop
A: be left behind alone
B: advance along
C: go with the others
D: stop
举一反三
- If it is green light you can ,the red light you should .( ) A: go ;stop B: stop ;stop C: stop,go D: go;go
- If the red object is illuminated with green light it appears<br/>________. A: black B: red C: green D: white
- Among the traffic lights, red light is placed ______. A: at the bottom B: in the middle C: at the top D: below the green light
- (Red and green) light, (if mixing) (in) the right proportion, (will give) us yellow. A: Red and green B: if mixing C: in D: will give
- Magenta absorbs green light and reflects ( ) light. A: Purple B: Red C: Blue D: Green