中国大学MOOC: No resource is as vital as water.
举一反三
- No resource is as vital as water
- 中国大学MOOC: Plants will not _________ without water.
- . Putting water in bottles wastes a lot of water. Water is used to ______ the bottles.
- 中国大学MOOC: Which of the following is irreplaceable resource?
- Which of the following types of water might be included at the menu? ( ) A: Sparkling water. B: Tap water. C: Still water. D: Ice water.