中国大学MOOC: When water cools, but does not freeze, the molecules move ______________ and take up ______________ space.
举一反三
- When water cools, but does not freeze, the molecules move ______________ and take up ______________ space. A: Faster, less B: Faster, more C: Slower, less D: Up, less
- 中国大学MOOC: Water i________ a liquid made up of molecules of hydrogen and oxygen in the ratio of 2 to 1.
- Matter is anything________. A: that take up space and have weight B: which takes up space and has weight C: that takes up space and has weight D: those take up space and have weight
- Please ______ the water when you brush your teeth. A: take down B: turn off C: take away D: turn up
- 中国大学MOOC: What does the Water Cube refer to?