When you are invited to a meal in Thailand（泰国），the words of the invitation mean “come and eat rice”. In fact, nearly all Thai dishes are 1 with rice, which grows there very easily 2 the climate is warm and there is much rain.

    The food served is 3 cut into pieces, so there is no need to use knives and forks, but, instead, special spoons and forks are used. The Thais 4to eat with their hands and now there are still some people who eat this way. There is a special 5 of doing it. First they wash their 6 hands in a bowl of water—they only eat with their right hands. They are careful not to let the food 7the palms（手掌心）of their hands. After the meal, the 8are again carefully washed.

    The meal usually has several different dishes. They are all hot. They are served in bowls, which everyone shares, 9each person has their own bowl of 10. As Thailand has a long coastline（海岸线）, it is not surprising that fish and shellfish（贝类动物） play an important part in Thai cooking.

①由图可知其分子式为：____．

②分子结构中六元环的个数有____其中有____个碳原子为三个环共有．

③五星烷的一氯代物有____种．

从《口技》中找出相应的时间词语：

①表示突然发生：

②表示同时发生：

③表示相继发生：

④表示在特定时间内发生：

⑤表示过了很短时间就发生：

根据课文《我们上路了》内容填空。

我们的脚印也许____，我们的____也许被石块磕肿。