. means to spend as little as possibleD. is a kind of unpleasant constraintDay 4Mystery of giraffes (P6)Choose the best answer:1. What idea did Charles Darwin put forward in his book? A. Giraffes’ necks ……

信不信由你
Giraffes can live without (没有) water for more than two weeks. ……

Giraffes can clean their ears with their tongues. Their tongues can be as long as 50cm. ……

长颈鹿作伴There is a giraffe hotel in Kenya (肯尼亚), Africa (非洲). This hotel is home to nine giraffes. These giraffes are not shy5 at all. When the travelers eat food, the giraffes stick (伸出) their heads ……

与长颈鹿同乐THERE is a giraffe hotel in Kenya (肯尼亚), Africa. This hotel is home to nine giraffes. These giraffes are not shy at all. When the travelers eat food, the giraffes stick (伸) their heads ……

Giraffes can go without waterlonger than camels can. So can rats. ……

Giraffes can go without water longer than camels can. So can rats. ……

到肯尼亚和长颈鹿共进早餐吧！WANT to have giraffes join you for breakfast? The Giraffe Manor (庄园) in Kenya is the place to do it. It is also a hotel. There are nine giraffes in the manor. When it is nearly nine ……

Giraffes have long tongues (舌头). Their tongues can even touch their eyes and ears. ……

About 420 million (百万) years ago, mushrooms5 grew taller than giraffes. ……

信不信由你The baby giraffes fall (掉落) from 2 meters high when they are born. ……

to giraffes. They live on grasslands (草原).Giraffes have long eyelashes (睫毛). They keep sand out of their eyes. Look! A giraffe is sneezing (打喷嚏). Don’t get near it. You will get wet! Giraffes run quickly ……

long legs? Is it really tall? When people think of giraffes, they think of their long necks. A long... tall when it is born, and some giraffes get up to 6m when they are all grown up.But did you know ……

140,000 giraffes lived on the plains and forests of Africa. Today that number has gone down by more... giraffes? It is because humans are hunting (捕猎) the animal and destroying their habitat (栖息地) to build ……

;   This hotel is home to many giraffes. They are friendly to people. When travelers eat outside, the giraffes will lean (伸) their heads toward them and ask for some food. When Phillippova ……