There are a number of animals that glow (发光) in some way—including several kinds of insects and fish. Some kinds of mushrooms glow, too. _____ most plants don’t glow. Now scientists are working to change that.

Now, researchers at _____ Russian company, working with the scientists from _____ countries have come up with a new method of _____ glowing plants. The plants can glow as long as they are alive.

Though mushrooms and plants glow very _____, the scientists focused on an acid (酸) that was found in both plants and mushrooms. They added certain parts of the DNA from glowing mushrooms to ordinary tobacco plants. In this way, the scientists _____ able to create plants that could make their own luciferins (荧光素) using this acid. The glow came from all parts of the plants—leaves, roots, and flowers. The scientists reported that the greenish light was about 10 times _____ than the light in earlier glowing plants. The glow was strong enough _____ easily recorded with an ordinary camera, and it wasn’t bad _____ the health of the plants.

The researchers believe that glowing plants can help scientists learn more about the way plats work. But the researchers don’t think the plants will just be used for science. They think many people may want glowing plants for ______ beauty. The scientists have already shown that several common flowers can be made to glow, such as roses.

One day, a farmer was looking for water source（源头）for his farm. So he went to his neighbour and asked him if he could sell his well（井）to him. His neighbor _______. The farmer bought the well happily. But the neighbour was a cunning man.

The next day, as the farmer came to draw water from his well, his neighbour came and refused to let him take any water. The farmer was _______. He asked, “Why can’t I take the water? I’ve already bought the well from you.”

The neighbour answered, “I sold you the well, not the water.”

The farmer went to the king to _______ for justice (公正). He explained what had happened.

The king called on Birbal, his _______ courtier（朝臣）.

Birbal asked the neighbour, “Why don’t you let the farmer take water from the well? You did sell the well to the farmer.”

The neighbour answered, “I did sell the well to the farmer, but not the water in it. Therefore, he has no _______ to draw water from the well.”

Birbal asked them to come later.

The next day, the king asked the farmer and his neighbour to go to the place where the _______ was. There Birbal said to the neighbour, “Look, you said _______ that you sold the well not the water. _______ you sold the well not the water, you have no right to keep the water in the farmer’s well. Now you have two _______: either you pay a high rent（租金）to the farmer or take the water out immediately.”

The neighbour realized that his plan had ________. He said sorry to the farmer and went home quickly.

From this story, we can make a conclusion that cheating will not get anybody anything. We should be honest.