Throughout the course of history, it is the morals and v    1    of humanity that makes us human the paragon (模范) of the world.

Think of Dr. Lin Qiaozhi. Unlike the m    2     of girls of her time, she studied hard     3    (admit) to the medical university, and finally became a great woman     4    (know) as the“mother of ten thousand babies”.

Then think of the immigrants who went to America to seek their f    5    during the goldrush. They s    6     down and opened up shops to e    7     a living. They brought their own cultures to the country,     8     (make) it a nation with great cultural d    9    .

Finally, there are scientists and a    10    who are intelligent,     11    (有耐心的) and brave enough to carry on this mission     12    the huge risks.They believe the     13    (explore)of this final f     14     can help them     15    (追求) a better future for mankind.