请根据下面短文回答第66-70题：
Everyone，old or youn9，likes travel.People travel not only to seethings but also to meet and learn about the people in other lands.As we travel we see a lot of things.We seehills，rivers， lowlands and manyother things that nature(大自然)has created(创造).These are very beautiful things to see.The lakes and waterfalls(瀑布)that we see，for example，are some of the most beautifulthings that nature has created to beautify the world.
We alsosee how people in different parts of the world work and live.In some places we seepeople working in the mines.In other places we seepeople growing rice or making cars.In short， people do not do the same thing everywhere.Theirways of life are also different in different parts of the world.
Even thelanguages and the customs of the people are not the same everywhere.If we travel we
will come to know these better.So we should travel if wehave the chance to do S0.
66.The text tellsUS——————————.
[A]wholikes to travel around
[B]whatpeople see when they travel
[C]how people travel round the world
67.What are mentioned as beautiful things in thetext7.
[A]Hills，rivers and waterfalls.
[B]Rivers，lowlands and cars.
[C]Lowlands，lakes and rice.
68.From the text we know that——————————.
[A]peopletravel in different ways
[B]travelhelps US learn better about the world
[C]travelis a good way to learn foreign languages
69.What does theword“customs”mean in“Even the language and the customs…”?
[A]Theway people usually travel.
[B]Things that nature has created.
[C]Thining's that people usually do.
70.At the end of the next，the writer suggests that we should——·
[A]travelwhen it is possible
[B]be careNl while traveling
[C]not travel too often