While he was investigating ways t improve the telescope Newt
时间:2021-02-19 19:20来源:未知 作者:admin 点击:
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(单选题)19: While he was investigating ways t improve the telescope Newton made _______discovery which completely changed ____ man’s understanding of color.
A: a,/
B: a,the
C: /,the
D: the,a
(单选题)19: While he was investigating ways t improve the telescope Newton made _______discovery which completely changed ____ man’s understanding of color.
A: a,/
B: a,the
C: /,the
D: the,a
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