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第三题：阅读理解（共20小题；每小题2分，满分40分）
阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。
A
RichardGraywasafamousexplorer勘察者Hewasalsoamillio
aireHehadvisitedeverycou
tryi
theworldHehadcrossedA
tarcticaflow
acrosstheAtla
ticbyballoo
a
dclimbedMou
tEverestLastyearr
