According to some old Chinese stories, there once was an ancient emperor named Shennong. At that time, there was no medicine to treat illness. Many sick people could only wait for (die).
To save his people, Shennong decided (find) and test out different plants. He and his men set out on a journey in search of medicinal plants.
Each time the team found a new plant, Shennong would taste it (he). Some plants made him feel sleepy, some caused him to have a stomachache, and some made him tremble (颤抖) all over. Shennong searched and tested over a long time, he and his men discovered lots of medicinal plants.
As they (continue) their search, the team found a plant with small yellow flowers. Shennong picked off one piece the plant in order to taste it. He said, "It looks like a medicinal plant. I have to test it, some people may misuse it."
Suddenly, Shennong's face turned pale and he fell to the ground (heavy). Even after he was given the leaves from other medicinal plants, he still (lose) his life. People covered him with thousands of (flower). From then on, they called him "the Emperor of Medicine".
