This semester, the physics tree is no longer only studying light and sound, but also studying electrical circuits.

When I was a child, I could sometimes find one or two old batteries, and my brother Ling Ming could always find some used wires and a small light bulb. I only remember that he screwed the wire on the light bulb and pressed the other end on the battery, and the light bulb, which did not emit light, miraculously lit up.

When I was a child, I thought it was a miracle that my brother could turn on the lights.

Not only that, in addition to these, he also likes to disassemble the alarm clock, take a screwdriver to disassemble the new alarm clock that his mother bought, and scatter a bunch of small parts on the ground.

For his behavior, I never stopped not participating, sitting by and watching, it turns out that the structure of the alarm clock is like this...... There are also several serrated plastic wheels that get stuck behind the dial, and when you put on the battery, the wheels move.

After he played with it, he returned it as it was.

However, things don't seem to be that simple, it's easy to dismantle things, and restoring this kind of operation generally takes a lot more time and brainpower than you think.

Watching him scratch his ears and cheeks, I gloated on the sidelines.

My sister is like this, I wish he had done something bad to make my parents angry, so that as soon as he was scolded, I felt very relieved, who told him to bully me if he had nothing to do.

However, looking at him really anxious, I couldn't bear it anymore. Approach the pile of parts and help him figure out how to restore them.

When two people work together, things will be much easier, even if it is two laymen...... Two hours later, the two of us finally set up this little blue alarm clock.

With the battery installed, the strong alarm clock finally made a "tick" sound. The two of us sat quietly at the table and stared at it carefully for three minutes to make sure there were no major problems.

Obviously, there were only two of us in the house, but he was light-handed, like a cat, tiptoeing, carefully picking up the alarm clock in his hand, burrowing into his parents' bedroom, and putting it on their bedside table, his expression relaxed a little.

This is the legendary thief's heart.

However, the alarm clock didn't break later, but every time I saw it, I remembered the scene where my brother seriously took a screwdriver to dismantle it, in the summer, with a fan on, sweating like rain.

It's not just the alarm clock, I remember Ling Ming's most excessive time, when he dismantled the phone he had just bought at home.

However, it didn't go as smoothly as it is now, and the microphone of the phone was silent, although it didn't seem to be a big problem on the outside.

He put the phone back on the table, if it weren't for the fact that his father answered a phone call and found that there was no business, and when he called back hard, the microphone wire was broken and it was dismantled, I guess it wouldn't have been discovered.

I only knew that my father asked us with a confused face: "What's wrong with this call?" ”

I pretended not to know what was wrong, did not dare to look up into his eyes, sat down at the table, shook my head, lowered my head and continued to do my homework.

The old brother's face turned red, and he stammered a lie: "Today...... I received a phone call this morning and sent ...... When I found that there was no sound, I thought...... Want to check it out, hit it with a screwdriver...... Opened ......"

His voice grew quieter and quieter, low to the dust.

Dad scratched his head, glanced at him with some suspicion, then turned the phone over, looked at it carefully, and there were indeed traces of knocking.

He rummaged through the cabinets, found the purchase invoice, handed it to the old brother, and said: "I still have to go to work in the afternoon, you will take this invoice later, go to the store to find the boss, and tell him that the phone is broken, see if it can be repaired." ”

Dad didn't look very angry.

In order to hide the panic in his heart, the elder brother smiled awkwardly, he took the invoice and said, "Okay." ”

Dad advised, "Be sure to go in the afternoon." Also, it's repaired, don't play with it if you have nothing to do.

This phone call is more than 200 yuan, if your mother knows about it at night, I will be scolded even more. ”

It's really "one thing down one thing".

Dad has always been very kind to us, he doesn't beat or scold, every time my brother and I do something wrong, he always has to help us intercede in front of my mother.

Although my mother is more short-tempered, she is also a knife-mouthed tofu heart.

Every time my father helped persuade him, my mother would pour her anger on his head, and my father always laughed angrily, and my mother would be amused by her in the end, and all three of them could escape.

Ling Ming is his own son, and I am his daughter, what is going on with this call, my father must have guessed it in his heart. Just don't want to debunk us.

In the afternoon, Ling Ming rode his bicycle and told me to sit in the back seat with the box containing the phone, and set off from my home, turning two streets before arriving at the shop where I bought the telephone.

It's a bookstore that sells some telephones and learning machines.

Last time, my brother's learning machine was bought here.

The old brother and the boss are very familiar, just entered the door, the old brother gave him the invoice, and then took the phone box from my hand, and said: "Boss, the phone I bought from you a few days ago broke down in a short time, this is the invoice, you can see if it may be repaired?" ”

The boss is not very old and looks quite sven.

He opened the cardboard box with an apologetic face, carefully checked the telephone, and said, "It can be repaired." I'm really sorry, we'll send you back to the factory for repair. ”

Hearing him say this, my brother and I breathed a sigh of relief in our hearts, and my brother continued: "Okay, I'll put the phone here." How many days will it take to fix it? ”

The boss thought about it carefully, picked up the landline on the table, and made a phone call: "Hey? Is it Lao Wang? I have a broken phone here, I need your help to fix it, how long will it take?

Oh oh oh, yes, okay, thank you then. ”

The boss hung up the phone and said, "About three days." Take it after three days. ”

He was smiling and made people feel comfortable.

"Okay, okay, then let's get it after three days." After smiling, my brother pulled me out of the bookstore.

Sitting on the bicycle, I asked a little uneasily: "Brother, you say, could it be that Master Wang, what should I do if I find out that we have dismantled the phone and don't fix it?" ”

The old brother was silent for a moment, as if he was seriously thinking about the question I asked, and said, "It shouldn't be so unlucky." It's really not good, I still have 200 yuan in New Year's money, let's buy another one and go home. ”

"New Year's money? It's been half a year, and you still have New Year's money? I asked, a little surprised.

"Yes, I was going to buy a ......," the old brother said casually, realizing that he had accidentally slipped his mouth.

"Planning to buy a console?" I asked, as if I had discovered an incredible secret.

"Uh...... Why, you've heard, I'm going to save up to buy books. The old brother changed his words, and then asked, "Look, is that one selling delicious food in front of you?" ”

"Huh? Where? "I was attracted by what he said was delicious and looked around

"That's it, sugar gourd, let's go buy something to eat." After the elder brother finished laughing, he accelerated the pace of riding.

"Good!" I replied happily, with only the whirring wind and my flying hair.

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