Jerry is a world-famous mountain climber.He has climbed many high mountains in the world.Starting in 2015，he and his friends spent two years on an adventure（探險） in South America，covering 7，800 miles.He was even （1）

named

named

（ name） Adventure of the Year by a famous geography magazine in 2018.
    Although Jerry had achieved great success，he didn't feel s（2）

atisfied

atisfied

.He asked himself，" Is it enough to climb the highest mountains？Am I doing something helpful？How can I （3）

turn

turn

my adventures into something that can help the world？"
    Jerry learned that scientists need plans，rocks and water samples （樣本） from the places far away to do research.But scientists can't get there（4）

themselves

themselves

（ they） as such places are hard to reach——only the bravest adventurers can make it.Jerry thought himself could do something to jye.ailp.He then came up （5）

with

with

an idea.He set up a team of top adventures to collect samples for scientists.By （6）

studying

studying

（ study） the samples，scientists could know more about the earth and find ways to（7）p

rotect

rotect

it.
    Recently Jerry and his adventurer friends have discovered a special plant life of Mountain Qomolangma.The samples they brought back have （8）h

elped

elped

scientists learn how plants live in extreme （極端的） condition.
    For Jerry，this kind of adventure is most satisfying."Such adventures had made us see life in a different （9）w

ay

ay

.Now，being the best climber isn't important for me.What （10）m

atters

atters

is doing something helpful while climbing the mountains.There is still much more we can do."Jerry said to a newspaper.