填空题

According to the passage, as a famous scientist, Newton has did ______ theories.

【参考答案】

at least three theories
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填空题
When did the corpuscular theory of light prevail
单项选择题
A．At a butcher shop.B．At a restaurant.C．At a bookstore.D．At a grocery store.
A．At a butcher shop.
B．At a restaurant.
C．At a bookstore.
D．At a grocery store.
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