| Question | Lesson |
|---|---|
| Language of ordinary speech ... | One Word Substitution |
(1) The athlete ran forward for 3 seconds, and then he ran backward for 3 more seconds. (2) The athlete ran forward for 3 seconds, and then he stood still for 3 more seconds. (3) The athlete ran forward for 3 seconds, and then he ran forward for 3 more seconds but with a lower speed. (4) The athlete ran forward for 3 seconds, and then he moved forward for 3 more seconds with a greater speed. ">Which sentence best describes ... |
Motion |
| Which one of the following is ... | Resource And Development |
| How many meters is equal to 1 ... | Motion |
