The water activity of ice is smaller than water.
错误
举一反三
- The reason why lotus leaves do not touch water is that the upper surface of lotus leaves is covered with many papillae which are smaller than rain water.
- The thermal conductivity of ice at 0°C is approximately ______ times the thermal conductivity of water at the same temperature, indicating that in the same environment, ice can change its temperature faster than water.
- 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.
- More than seventy percent of the water on the earth is sea water.
- Under the same conditions, fresh water evaporates faster than sea water.
内容
- 0
There is ____ water in the bottle than in the glass. A: little B: smaller C: fewer D: less
- 1
My teacher told me that salt water _________ (freeze) at a lower temperature than fresh water.
- 2
Bottled water is ( more / less ) expensive than tap water. It costs almost 1000 times more.
- 3
Under the same conditions, fresh water evaporates faster than sea water. A: 正确 B: 错误
- 4
32.Less than _______of water on earth is fresh water. A: 3% B: 4% C: 5% D: 6%