摘要： On Earth, gravity keeps our feet on the ground and makes anything we drop towards the ground. 答案:fall [2011•无锡]六.短文填空 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.所填单词必须在答题卡标有题号的横线上完整写出.(本大题共6分. 每格0.5分) In many countries, people t (1) by car or by bike. They also get from place to place using p (2) transport such as buses and trains. However, some people live in parts of the world where it is i (3) to build roads. In these places, animals or other f (4) of transport have to be used. It is difficult to w (5) 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 (6) them on sleds. Riding a snowmobile is a more m (7), but expensive way of getting around on snow. In desert like the Sahara in North Africa, people s (8) get around on camels. Camels survive w (9) in the desert, not because they can s (10) water in their bodies though! They can survive without water for two weeks and without f (11) for up to a month. H (12) can only go without water for about three to five days. 答案:1. travel 2. popular 3. impossible 4. 5. walk 6. pull 7. modern8. sometimes 9. well 10.save 11 food 12. He

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