Cầu chì hoạt động dựa trên tác dụng nhiệt của dòng điện

Thành phần của không khí là nguyên nhân chủ yếu gây ra hiệu ứng nhà kính ;à carbon dioxide.

D. quạt điện

Read the following passage and put a word in the box in each of the numbered blanks:

Up     Recycling             from            take             and

(1) ___________ is using rubbish to remake new goods that can be sold again. For example, when you put bottles and cans in the recycling bin, people (2) ___________ them to a factory. In this factory, people reprocess these bottles (3) ___________cans into many new things.

Recycling starts when you or your parents drop recyclable materials, such as bottles and cans in the recycling bin. Next, collectors come to pick (4)___________ the materials and take them to a processing factory where they are sorted and processed into raw materials. After that, factories sell these materials to manufacturers who make the things you buy. These manufacturers make new items from them. Finally, you or your parents buy items made (5) ___________ recycled materials.

What's your name ?

My name is Vu Dao Duy Hung

The computer is one of the great inventions of man that changed the world. Computers with the convenience and connectivity that allow people to work and play online. Not only that, computers participate in almost all areas of life and improve work efficiency and improve people’s quality of life. The computer consists of the basic parts: CPU, monitor, and keyboard. Modern improvements make computers more and more compact and handy to take with you wherever you go.

Ủa j vậy:^?