动物世界奇趣多多，下列相关描述错误的是（　）。

A.蜻蜓点水，并不是蜻蜓闲来无事在戏水，而是在产卵。

B.海马生儿育女非常奇特，它是由雄性海马育儿的。

C.树袋熊又叫考拉，熊科，一生有三分之二的时间都在桉树上。

D.海豹和人类一样用肺呼吸，但它可以在水中停留较长时间不呼吸。

强国挑战答题答案：树袋熊还有哪些名字？（）

A、无尾熊

B、保姆熊

C、棕熊

D、考拉

E、玩具熊

F、小黑熊

CAustralia has a lot of lovely animals. You cannot find them anywhere else in the world. The most famous ones are kangaroos（袋鼠）and koalas（树袋熊）.The kangaroo is the symbol of Australia. They have large eyes and ears. They don’t walk, they jump. They use their strong back legs. They can jump at 74 kilometres per hour. They can go over nine metres in one jump.Kangaroo mothers have pouches to carry their babies. The babies stay inside to get milk and keep warm.Kangaroos are everywhere in Australia. They are on TV, in books and in the shops. But do you know that millions of kangaroos are killed every year ？ There are too many of them.There are about 20 to 25 million kangaroos in Australia. That’s more than the number of people in the country.Some kangaroos go hungry because there is not enough food to eat. They break into farms for food. Farmers are very angry with them.The koala is another famous Australian animal. They look like bears, and have small eyes and big noses. They eat leaves from gum trees（桉树）.Koalas have a special smell. They use it to mark their home—“ This is my place, you can’t come in !” Like kangaroos, a koala baby lives in its mother’s pouch, too.66. If we want to see kangaroos and koalas in natural forests, we can go to ________ .
A. China B. France C. Australia

强国挑战答题答案：以下哪些生物被誉为“活化石”？（）

A、树袋熊

B、鹦鹉螺

C、扇贝

D、银杏树

E、松树

F、柳树