阅读表达 （共5小题，计5分）
Tanzania(坦桑尼亚) has _________ animals, such as lions, elephants, giraffes, crocodiles and so on(等等). Every year, many people in the world travel to this African country to watch the animals closely. But do you know how they travel?
By bus --This is the most common way. When people get on a bus, they'll find that the bus is a little strange(奇怪). It is different from the buses we often see. There are no big windows（窗户） at all, but some small windows. And it looks like a cage. What are they used for? Oh, people can use it to watch animals and take photos.
By boat --We can often see many people are in a boat, enjoying the beautiful things along a river or a lake, and they can also enjoy the hippos(河马) and crocodiles from a nearer distance.
By hot balloon(热气球) --In the early morning, when the sun is beginning to rise, a large hot balloon is also starting its tour. Taking a hot balloon makes most of the tourists excited. After some time, the balloon will land in a certain place, and the waiters will give people delicious and special breakfast. But the cost of taking a hot balloon is also very high. A person should pay 400 dollars for an hour's trip
“such as ” 的汉语意思是__________________________________________________
How many ways of transportation(交通方式) are mentioned in the passage?
__________________________________
Put the underlined sentence into Chinese.（写出划线句子的汉语意思）
_______________________________________________________________________
在文中空白处填上适当的单词。（不多于3个）______________________________.
___________________________ is the most common way of traveling in Tanzania.