还是那句话，不检查作业我为什么要给你写作业。
以下依旧没有检查过，查不出来依旧是有道的错。
模仿raz的M一篇bicycle写的。
The invention of the telephone dates back to the late 19th century. Since then, it has revolutionized communication and is now an essential part of everyday life. Today, billions of people across the globe use telephones to connect with friends, family, and colleagues.
The design of telephones has evolved significantly over the years, transitioning from bulky landlines to sleek smartphones.
Alexander Bell invented the first telephone in 1876. He used two wires to connect two identical transmitters and receivers fitted with a vibrating diaphragm on an electromagnet to communicate at both ends.
In the years following, inventors made many changes to the telephone. During the 1870s, Edison invented a carbon microphone. It made the original telephone sound clearer, so that the telephone was really popular.
The earliest telephones were magnet telephones, which were powered by their own batteries and sent call signals by hand generators.
In 1882, the common battery telephone set appeared, and it was centrally powered by a common battery switch, eliminating the need for hand-broadcast motors and dry batteries. In 1891, the rotary dial type automatic telephone set appeared, which could send DC dial pulse, control the automatic switch action, select the called user, and automatically complete the exchange function. Thus taking telephone communication to a new stage.
Touch-tone all-electronic telephone sets appeared in the late 1960s. With the development of program-controlled exchange, double audio key telephone has gradually become popular.
By the early 1990s, there were telephones that combined the three functions of dialing, talking, and ringing on an integrated circuit.
Martin Cooper invented the first mobile phone in 1973. This marked the beginning of the mobile communications era. The first mobile phone called DynaTAC, it was big and heavy. Its shape is somewhat similar to a large Nokia phone, but not as thin as modern phones.
DynaTAC's battery life is short, with talk time of about 30 minutes, and charging takes nearly 10 hours. It has a limited storage capacity and can store up to 30 phone numbers. It uses analog signals to communicate and is based on 1G technology.
Advancements in technology have led to the development of mobile phones, which enable wireless communication and come with a range of features such as texting, internet access, and apps.
Today's smartphones are a combination of phone and computer functions, which allows for a large number of functions.
Every year, people invent new ideas for the telephone. Recently, inventors have designed a Three-fold mobile phone. The design of bikes will continue to change as more people rely on them. Who knows what telephones of the future will look like?