1. alligator   变色蜥蜴   python   鳄鱼   草龟   Hint Half-n-half Clue   2. lizard   蜥蜴   鳄鱼   变色蜥蜴   乌龟   Half-n-half Clue   3. python   蛇   python   响尾蛇   蜥蜴   Half-n-half Clue   4. rattlesnake   响尾蛇   变色蜥蜴   鳄鱼   蛇   Half-n-half Clue   5. tortoise   蜥蜴   鳄鱼   眼镜蛇   草龟   Half-n-half Clue   6. crocodile   蛇蝎   鳄鱼   变色蜥蜴   响尾蛇   Half-n-half Clue   7. snake   鳄鱼   乌龟   草龟   蛇   Half-n-half Clue