根据短文内容及首字母提示，填写所缺单词，使短文意思完整。每空限填一词。Sitting in her neighbour’s yard in Hartford,

How dangerous is your journey to school?

Perhaps you have to walk across a busy road or ride your bike in traffic. But in general, your journey is probably safe. For some children, it’s very different.

Banpo Elementary School in China is on a mountain. The path to school is very n    1     and dangerous. The children have to walk in a line. When they meet somebody, they have to stand against the mountain while the person passes. For the parents, it is very worrying. L    2    , the head teacher of the school walks with the children every morning.

A group of children in Sumatra, Indonesia, have to cross a wide river every morning on their way to school. The bridge across the river is b    3    , so about 20 children have to walk across a rope (绳子). The rope is ten metres above the water. After that, they have to walk ten kilometres through the jungle (丛林)! And of course, at the end of the school day, they have to do the s    4     journey again on their way home.

Students in Minh Hoa in Vietnam have to cross a river on their way to and from school every day There are no bridges or b    5    , so the children have to swim. They put their books and clothes in large plastic bags so they do not get wet. The bags also help the children to stay safe in the water (the water is 20 metres deep). When they r    6     other side, they take their dry clothes out of the bag and put them on.

Near Bogota, the capital of Colombia, some children have to cross a large valley to get to school. At the bottom of the valley is the Rio Negro, a huge river. There is only one way to cross the valley: on a zip wire (滑索). That’s a metal rope, 800 metres long and 400 metres above the river. The journey is very fast. In fact, it only takes about one minute! Small children can’t travel across the valley a    7    , so their brother or sister puts them in a bag!