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.
举一反三
- The water activity of ice is smaller than water.
- Which of the following disease is suitble for eating boiled rabbit with lotus leaf? A: Hematochezia B: Vomiting water C: Night sweat D: Constipation
- More than 70% of the earth's surface ( ) covered by water. A: are B: is
- Which one is not the common source of injection water: A: surface water B: ground water C: distilled water D: oil polluted water
- A legend goes _when Shen Nong drank boiled water, a few leaves of wild trees fell into the pot and the boiled water immediately gave off a pleasant fragrance（） A: that B: which C: where D: there