A group of frogs were traveling through the woods, and two of them fell into a pit（深坑）.When the other frogs saw how 1 the pit was, they told the two frogs that they2as well wait to die. The two frogs ignored the comments and tried to jump3 the pit with all their4 The other frogs kept telling them to5,and that they were as good as dead. Finally, one of the two frogs listened to what the other frogs said and6.He fell down and died.

    The other frog continued to jump 7 and try his best. Once again, the crowd of frogs shouted at him to stop the8and just die. He jumped even harder and finally9 it. When he got out, the other frog said," Didn't you 10us?" The frog explained to them that he was a little 11.He thought they were 12 him the entire time rather than advising him to stop the pain of struggle.

    This story teaches us two13: First, there is the power of life and14 in words. An encouraging word to someone who is15 can lift him up and help him make it through. Second, a(n) 16 word to someone who is down can be what it takes to kill him.

Be careful of 17 you say. Speak positively to those who cross your path.The power of words is so great; it is18 hard to understand that an encouraging word can go such a(n) 19 way. Anyone can speak words that tend to rob（掠夺）another of the20 to continue in difficult times.The individual who will take the time to encourage another is special.

    We live in the world full of colours. Does a colour have weight? If you say “no”, you are wrong. If you don't believe, you may do an experiment.

    First, put two objects with the same weight into two boxes. Then cover the boxes. Third, wrap one box with a red piece of paper, the other woth a white piece of paper. Now hold the boxes with your hand one by one. It is certain that you think the red one is a little heavier.

    Why? A scientist found that different colours have different weight in a man's mind. So he did many tests and at last he found that every colour has its own weight in our mind and their order is the same. The heaviest colour is red, then blue, green, orange, yellow and white.

    The scientist told us that colours also have smell. Can you smell the colour? Of course not. Then why did the scientist say so? That is because every colour stands for a kind of light with a certain wavelength, and it reaches our brain through sense organs.

    According to this discovery, scientists say that people accept the colours they like, and refuse the colours they hate. So your body and mind will be healthy by using the colours you like. Or you'll be nervous or even get ill. For example, if you stay in a room with red windows, wallpapers and furniture for two hours, you'll feel you have been there for four hours. But if the room is blue, you'll feel you have been there for only an hour. Another example, if a person walks out of a red room and into a blue room, his temperature will fall. That means our body temperature will change with different colours.

      作文
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春分日这一天，海南省某地（20°N，110°E）的正午太阳高度是（    ）