1.very hard the first astronaut in space
2.save wounded soldiers so came to during
3.Most of was dying because treated by in time
4.died for in the end because didn't treat wounds
5.developed medical devices used in outdoor battlefield to help the to treat the wounded soldiers faster.
6.went to ago in case make
7.will attend on November
8.If be successful no matter what are doing never give up
9.that smarted anyone else has a strong will
10.died in much more died in
11.managed to cross in the end
12.When did get doctor's degree in
13.too difficult for to accomplish all by her own
14.are in need of plenty of
15.这个做不来
16.began to operate on as soon as came into surgery