Fireworks were introduced from China.
Their use was mainly to do with:
war
(in plays and festivals)
17th centuries
Various features of were shown in fireworks displays.
Scientists were interested in using ideas from fireworks displays:
to make human possible
to show the formation of
London:
Scientists were distrustful at first
Later, they investigated uses of fireworks (e.g. for sailors)
St Petersburg:
Fireworks were seen as a method of for people.
Paris:
Displays emphasised the power of the
Scientists aimed to provide
18th century
Italian fireworks specialists became influential.
Servadoni’s fireworks display followed the same pattern as an .
The appeal of fireworks extended to the middle classes.
Some displays demonstrated new scientific discoveries such as .
GIẢI THÍCH CÂU 1
Mình cần nghe xem fireworks thường được sử dụng cho việc gì ngoài mục đích chiến tranh ((.... in plays and festivals))
=> Đáp án sẽ tới sau "Up to the 16th century they were generally used for military purposes," (military = wars)
Nghe thấy ".... but they were also sometimes a feature of plays and festivals where their chief purpose was related to religion. "
=> Đặc điểm của plays and festivals, mục đích chính liên quan đến religion
=> Đáp án là religion 
Lưu ý
- Nội dung giải thích được viết bởi DOL IELTS Đình Lực - Học Viện Tiếng Anh Tư Duy đầu tiên tại Việt Nam
- Đề được viết bởi nhà xuất bản lớn gồm Cambridge và Oxford