单项选择题

Questions 22 to 25 are based on the passage you have just heard.

A. The invention of primitive weapons and language.
B. The invention of language and the discovery of fire.
C. The invention of primitive weapons and the discovery of fire.
D. The invention of primitive weapons and the development of human brain.
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单项选择题
A. Climbed the trees along the coast. B. Played on the sands by the sea with other children. C. Went boating by the sea. D. Made trains or cars out of the sand.
A. Climbed the trees along the coast.
B. Played on the sands by the sea with other children.
C. Went boating by the sea.
D. Made trains or cars out of the sand.
单项选择题
A. At a school. B. At an exhibition.C. At a government institution. D. At a research institution.
A. At a school.
B. At an exhibition.
C. At a government institution.
D. At a research institution.
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