根据材料内容，从方框中选出恰当的短语或句子完成第l-5五个小题，使句子通顺、意思完整，将其标号填入题前括号内。每个短语或句子限用一次。    In the pa

    Although it was autumn, the snow was already beginning to fall in Tibet (西藏). Our legs were so
heavy and cold that   1   felt like big pieces of ice. Have you   2   seen snowmen ride bicylces? That"s
what we looked like! Along the way children who were   3   long wool coats stopped to look at us.
In the late   4   we found it was so cold that our water bottles froze (结冰). However, the lakes   5  
 like glass in the setting sun and loooked wonderful.
    Wang Wei rode in front of me as usual. She was in high spirt and I knew I didn"t need to   6   her.
To climb the mountains was hard work but as we   7   us, we were surprised by the view. We seemed
to be able to see for miles, and we were so high that we found ourselves cycling through clouds. After
a while, we began going   8   the mountains. It was great fun especially as it slowly became much   9  .
At the foot of the mountains, colourful butterflies flew around us and we saw many sheep eating green
grass. Then we had to  10 . Our caps, gloves and trousers for T-shirts and shorts.
    In the early evening we stopped to  11 . We put up our tent and then we ate. Afte supper Wang Wei
went to sleep but I stayed  12 . At midnight the sky became clearer and  13  and the stars grew brighter.
As I  14  below the stars I thought about how far we had already travelled.
    We will reach Dali in Yunan Province soon, where our cousins will join us. We  15  hardly wait to see
them!