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Observe and understand composition
1 Got it

Our senior class has an assignment to learn insects. I asked my father to catch a butterfly for me. My father didn't catch it, but he brought me a cicada.

Cicada has a black shell, black eyes on both sides of its head, protruding outward, a long needle-like mouth tightly attached to its body, a pair of transparent and light wings on its back, and several serrations on its six slender legs to catch objects.

I am both curious and afraid of this strange guy. Dad said to me, "Jia Jia, don't be afraid. Cicada is very kind and doesn't bite. Besides, its wings have been glued by me with scotch tape. Now it can only crawl. Don't worry, put it in the palm of your hand and play! " I've always been too timid to even touch it. How dare I play cicada in my hand! When my father wanted to put the cicada in my hand, I shrank my hand back in fear and hurried back. Dad smiled and said, "Coward, watch me!" " "Dad grabbed the cicada and put it on his finger. The cicada crawled slowly along his fingers. Inadvertently, his father didn't realize that cicada stood up and stuck his mouth to his finger like a long needle. Dad suddenly felt pain, quickly shook his hand and threw the cicada to the ground. Oh, it turns out that cicadas treat their father's fingers as branches and want to drink the dew on the branches!

The cicada lying motionless on the ground, I ran curiously to see what had happened. At this time, there were several cicadas singing outside the window. Suddenly, the cicada flapped its wings on the ground, desperately trying to break free and fly outward. It suddenly dawned on me.

I asked my father to untie the cellophane tape on the cicada's wings carefully, put it gently on the windowsill, suddenly let out a cry, spread his wings and flew away.

2 Xiaozhiliao

In the long river of my memory, there are countless past events, some happy, some sad, some surprising, some ridiculous ... They are like exquisite shells, which are treasured in my mind. To say that a shell is the most full of childhood happiness and interest, it is this one. ...

It was a summer day, and the unique warm wind in summer caressed everything, and there were crisp and pleasant insects singing from time to time. I got up early and walked alone in the Woods, humming the children's songs I just learned, and gradually merged with nature.

Suddenly, there was a rhythmic song in my ear. I stopped singing, held my breath and listened carefully, and the song gradually became clear. "cicada, cicada ..." ah! It turns out that cicadas are singing loudly!

I can't help but feel heartache at the thought of cicadas. A few days ago, Zhang, the little brother of my neighbor's family, caught a few cicadas and looked cute. I still won't let go after a long time. So, I ran home, prepared all kinds of tools one by one, and skipped back to the Woods.

At this time, the forest is so quiet, and the long cicada singing adds a little elegance to it. I took a step quietly and lurked under the tree.

I have long heard that cicadas are very alert, and they will run away at the slightest sign of trouble. Sure enough, I hugged the trunk and rose vertically, but the bamboo pole accidentally grazed the leaves, and the cicada had flown without a trace.

This time, I was more careful and climbed the tree quietly. While the cicada was enjoying the sunshine and breeze, I quickly put out the bamboo pole. As soon as the sticky gluten of the sugar juice touches the cicada, it sticks firmly to it, and no matter how it struggles, it can't escape. In this way, a small and lovely cicada came into my hand.

Ah, this is still a cicada that has just shed its skin! Soft and light wings, delicate body and black pearl-like eyes are simply a vivid elf! Holding it, I couldn't help singing happily: "Under the banyan tree by the pond, cicadas are calling for summer ..."

Time has passed, and I still remember it vividly. Whenever I think of the scene at that time, I always smile ...

3 observe cicada

In the afternoon, Pu and I played on the school playground. No sooner had we reached the edge of the playground than we heard the cry of "cicada, cicada". I followed the sound and found that there was nothing special on the ground except some flowers and plants! Pu Longjun's eyes lit up! Gently open a clump of grass, see a cicada, kept calling.

This cicada has a pair of big transparent wings and a pair of little wings under them. It has six slender legs. Eyes are small and orange, like two rare orange gems. Its tentacles are thin and short. I decided to bring cicadas home.

After returning home, my father asked strangely, "Son, why did you bring back a cicada?" I said, "I brought cicadas back to raise them!" " Dad was surprised and asked, "You are going to raise cicadas." Do you know what they eat? "I said disapprovingly," I don't know what cicadas eat, but the computer knows! " "After I finished my homework, I went to find out the information. The internet says, "cicadas eat tree juice and ants eat ants." It is a pest. " I also saw the method of cicada reproduction on the internet: "A cicada's life goes through four different stages: egg, larva, pupa and adult. Eggs are laid in trees, larvae live on the ground, and adults will return to trees. After mating, the male cicada completed his mission and soon died. The female cicada begins to lay eggs. It pricks a small hole in the tree with a pointed ovipositor. It lays 4 to 8 eggs at a time, and often sticks dozens of holes in a branch. Then the female cicada died soon without eating or drinking. " I am really touched to know the spirit of sacrificing my life for the next generation! Aren't our parents also quietly paying for us?

4 observe cicada

On the afternoon of July 20th, there was a heavy rain. After the heavy rain, I found a cicada parked on my windowsill, and my father caught it back. I've observed it for a while, and I'll tell you what I've observed: observation diary is about 300 words: observation cicada.

I know that I have a pair of hard eyes, and my father says it is compound eyes, which are made up of many small eyes. They can have a broad perspective and see more things. Its mouth is round and its front end is a fine needle. It turned out that it used this "needle" mouth to pierce the trunk and suck the sap. It has six small thin legs, like a knife, which can firmly fix itself on the branches. It also has a pair of big transparent wings and a pair of little wings under them. After unfolding, the thin wings are combined and fly smoothly and silently. His stomach is long and bulging, and his father says this is his abdominal cavity. "Cicada, Cicada" is the sound made by the vibration of this place. There is an opening in the abdominal cavity of the male cicada, but the female cicada can't scream because of the difference in physiological characteristics.

Cicada lives by sucking the sap from big trees. If a tree is pricked by a needle and sucks a lot of juice, it will wither, so cicadas are big pests. But my father said that cicadas have to shed their shells when they climb out of the soil, and that's it. Retired "cicada slough" is blindly Chinese medicine.

Five cicadas that have been shelled.

One afternoon, when I was walking downstairs, I suddenly saw two things not far away. I walked over and saw that it was two cicadas that had not hatched yet. I carefully put them in my palm, put them in a small paper box, and then flew home. I looked at my watch, and it was past 9 o'clock. I didn't hurry to do my homework, but I had to train again.

About half an hour later, my homework was finally finished. I immediately ran to the small paper box to see how my two "babies" were doing. Suddenly, I found the paper box empty. Where did they go? I've looked everywhere, but I can't find it. Just when I was about to lose heart, I suddenly heard a voice behind the computer. I rushed over and saw them all hiding here, just about to catch them. Suddenly I saw a cicada shedding its shell. Its head was leaking from a crack in its back, and its body kept twisting, trying to get rid of the body that bound it completely. My eyes seem to protrude outward with all their strength, and the eyes that have just been shelled seem to be still there. Seeing that it keeps trying to break free, but the shell sticks to the body like a root, I really want to help it, but I want to see how it can be completely regenerated and let it grow naturally. In a short time, its efforts finally paid off, its body gradually peeled off, and its wings finally completely separated from its body. At first, the yellow-green wings were stacked together, slowly extended, and gradually became a little thin and transparent, covering the body completely. I knew it was an adult.

Looking at the constant changes in their lives, I thought of the earth where we live. It has also experienced 4.5 billion years of change and entered middle age. Although cicadas are pests, thousands of creatures in Qian Qian live in one home, which makes our earth home rich and colorful. I think everyone should be kind to our earth and protect our common home.

6 cicadas in summer

This summer is a little different from usual. The previous summers were all bare trees. But this year, many cicadas came.

Some friends and I decided to catch cicadas. Let's make a cicada-catching net at home first. It takes a lot of effort. It took us a long time to finish it. I was secretly happy to finally catch the cicada. Thinking: Cicada will eat at night. This cicada is a unique delicacy in the countryside. I thought to myself. Under the oldest locust tree in the village, I heard cicadas calling in the tree.

Cicada, the scientific name "Cicada", is almost all over nature. From the spring when flowers are in full bloom to the autumn when yellow leaves are dancing, cicadas are called "summer singers" because of their light and comfortable tones and tireless singing of one light cicada after another for people without the help of any Chinese and western musical instruments.

Cicada's music is very simple. The word "cicada, cicada ..." probably means "it's so hot today". Cicada has left a deep impression on people with its bold voice, passionate tone and tireless spirit. Cicada, a country singer, is far more famous than any singer in any era. For thousands of years, everyone who has lived in the countryside should have heard the song cicada, and any singer is just a flash in the pan.

The protein content of cicada is above 70%, and the fat is around 7%, so it can be called the king of protein in today's food. No wonder there was no malnutrition as a child. It is an exaggeration to know that cicadas are known as singers of nature, but not all cicadas scream, only male cicadas can sing. The two small disks on the belly of the male cicada are called sound covers. There is a transparent film on the inside of the sound cover. This movie is called Valve. It's actually the sound of the valve. People use loudspeakers to amplify their voices. The sound shield is equivalent to a cicada's megaphone, which contracts back and forth to amplify the sound, and will make a sound of "knowledge-knowledge-knowledge-knowledge", but there is no sound shield and valve on the female cicada's stomach, so the female cicada will not scream.

I like cicadas very much. Because it brings not only happiness, but also unforgettable memories!