先通读下面的短文，然后根据短文内容和所给首字母，在空格内填入一个适当的词，使短文意思完整。
In many countries, people t__________ 小题1:by car or by bike. They also get from place to place using p__________ 小题2:transport such as buses and trains. However, some people live in parts of the world where it is i__________ 小题3:to build roads.
It is difficult to w__________小题4:in snow but easy to ski over it. So in places like Alaska, people use skis. If they want to go faster, they get dogs to p__________ 小题5:them on sleds(雪橇). Riding a snowmobile(雪地摩托) is a more m__________ 小题6:, but expensive way of getting around on snow.
In desert(沙漠) like the Sahara in North Africa, people s__________小题7:get around on camels. Camels survive w__________ 小题8:in the desert, not because they can s__________ 小题9:water in their bodies though! They can survive without water for two weeks and without f__________小题10:for up to a month. H__________ 小题11: can only go without water for about three to five days.
小题1:travel
小题2:popular
小题3:impossible
小题4:walk
小题5:pull
小题6:modern
小题7:sometimes
小题8:well
小题9:save
小题10:food
小题11:He
小题1:本句的含义为在许多国家人们乘小汽车或骑自行车旅行，故本句空格处填旅行的单词travel。
小题2:本句的含义为他们使用受欢迎的交通方式从一个地方到另一个地方，故本句空格处填受欢迎的单词popular。
小题3:本句的含义为一些人居住在建造道路是不可能的地方，故本句空格处填不可能的单词impossible。
小题4:本句的含义为在雪中行走很难，故本句空格处填走的单词walk。
小题5:本句的含义为如果他们想行驶更远，他们可以用狗来拖着雪橇，故本句空格处填拖着的单词pull。
小题6:本句的含义为在雪中骑着雪地摩托是最现代但是却昂贵的一种方式，故本句空格处填现代的单词modern。
小题7:本句的含义为在沙漠里人们有时骑着骆驼，故本句空格处填有时的单词sometimes。
小题8:本句的含义为骆驼在沙漠中生存的非常好，故本句空格处填好的单词well。
小题9:本句的含义为骆驼在它们的身体里可以储存水，故本句空格处填储存的单词save。
小题10:本句的含义为没有食物骆驼能存活一个月的时间，故本句空格处填食物的单词food。
小题11:本句的含义为没有水他仅仅只能走三五天，故本句空格处填他的单词He。