用形容词描述海洋生物 — 英语填空题
题目
从词库中选词填空，每个词用一次。词库：beautiful, clever, dangerous, slow。看清每种海洋生物的特点，再选最合适的形容词。A dolphin can learn new tricks. It is ___. A shark has sharp teeth and may hurt other animals. It is ___. A sea turtle moves at a low speed. It is ___. A fish has bright, lovely colors. It is ___.