3. Đọc đoạn văn trả lời True(T) hoặc False(F)
Videos can be very useful. Most banks and stores have video cameras. They protect the premises. When there
is a robber, the police can study the video. They can often indentify the robber in this way. Videos are very
useful in education. Many schools use them as a teaching aid. You can take university courses at home with the
heip of a VCR( video cassete recorder). In the future they will be more important in education . Videos are very
important in the music industry . You can now buy VDCs ( Video compact discs ) in many countries wordwide
They play music and show video images at the same time
Bạn đang xem 3. - Đề cương ôn tập học kỳ 2 - Havamath -
