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Right Wrong Not mentioned
Halley and other scientists the orbit of a comet Newton and Halley Halley and his discovery
caused led to lay in resulted in
Louis was famous for his discovery. Though his left arm and leg were disabled, he worked even harder than before. In his childhood he made up his mind to become a doctor. His disabled (残疾的)left arm and leg had nothing to do with the mad dogs.
which I think is of which I think it is of of which I think it is I think which is of
Believe To believe Believing Believed
lied in are led to led to as a result
knowledge acquaintance impression discovery
invention discovery appearance agreement
stood for called for paid for contributed to
To believe Believed Believing Believe
As is believed It is believed He is believed that Who believed that
by doing experiments by means of his own careful observation by using the work of other scientists by chance
knowledge acquaintance impression discovery
the nature nature world the earth
invention discovery appearance agreement