阅读下面短文，根据文章大意用所给单词的适当形式填空（未提供单词的，限填一词），使文章意思完整、正确。
Plenty of people dream of going to Mars(火星).{#blank#}1{#/blank#}different
from those people, 13-year-old Alyssa Carson has been working{#blank#}2{#/blank#}(happy)for that dream since the age of 4,
according to a new report which{#blank#}3{#/blank#}(make)by
the BBC not long ago.
Alyssa tells the BBC, "I hope{#blank#}4{#/blank#}(go)to Mars because it is a place that no
one has been to before. I want to take that first step." According to the
BBC, she{#blank#}5{#/blank#}(attend) the USA's three world space
camps so far.
Her father, Bert Carson, tells the BBC that
Alyssa plans to be on the first long journey to Mars, which is expected to take
place in{#blank#}6{#/blank#}year
of 2033."We are proud{#blank#}7{#/blank#} her, "he says." We have the next
eighteen{#blank#}8{#/blank#}(year)
planned out." One of those plans is Alyssa attending the International
Space University.
Of course, Alyssa's dream could come with{#blank#}9{#/blank#}(big)sacrifices(牺牲)than others. If Alyssa goes to Mars, maybe{#blank#}10{#/blank#}is very difficult for her to return to
the Earth. Still, her father says, "If that's the only choice she has, she
still wants to go." Alyssa agrees.
