下列说法正确的是（ ）

血液是人体内的液体组织，其中血浆的主要功能是（    ）

①运输养料和废物  ②促进止血、加速凝血  ③运输氧气和部分二氧化碳  ④运载血细胞．

在海边观察远处驶来的轮船，会出现图中①至③所示的现象，这种现象反映的地理事实是（　　）

下列说法正确的是（　　）.

    There is a zoo near my house. I like ____  there. There are many ____  in it.
    Look! There is a koala ____  the tree. Isn’t he ____ ? Under the tree, there is a ____ . Her neck(脖子) is so long. She is a lovely girl. ____  is the panada? She is eating the bamboo(竹子). She's ____  shy. But the elephant is interesting. He is playing with kids with his____ nose. They are very funny. Look! In the pool, there are two dolphins. They are playing with ____  balls. ____  happy they are !