From the information in the text, indicate who FIRST invented or used the items in the list below. Write the appropriate letters

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问题 From the information in the text, indicate who FIRST invented or used the items in the list below.
Write the appropriate letters A-E in boxes 7-10 on your answer sheet.
NB You may use any letter more than once.
Example             Answer
rockets for displays      A
FIRST invented or used by
A the Chinese
B the Indians
C the British
D the Arabs
E the Americans
black powder

选项

答案A // the Chinese

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