Alaska Range(阿拉斯加山脉) is famous for its valleys and glaciers(冰川). It has many t{#blank#}1{#/blank#} forests and big glaciers which are over millions of years old. It a{#blank#}2{#/blank#} more than a million tourists from all over the world. It is also one of the most d{#blank#}3{#/blank#} places on the earth.

    Of all the p{#blank#}4{#/blank#}, Mount McKinley is the highest. It's one of the most popular places to go for mountain c{#blank#}5{#/blank#}. It's very difficult to climb Mount McKinley because the t{#blank#}6{#/blank#} of the mountain is covered by thick snow all year round, and there are many other difficulties like the f{#blank#}7{#/blank#} weather c{#blank#}8{#/blank#}, avalanches(雪崩), the heavy storms and so on.

    For these climbers it is an extremely dangerous climb—i{#blank#}9{#/blank#}, many people have l{#blank#}10{#/blank#} their lives on this mountain. However, the mountain climbers have never given up climbing it, and they enjoy the great challenges in the mountains.