【美文诵读】
We must take_action_at_once_to① protect wild animals because animals are not only treasure of nature but also our friends.Besides，animals help keep_the_balance_of_nature② and make the earth more lively and more attractive.It_is_hard_to_imagine③ what our world would be like without animals.What we know for sure is that humans_would_be_very_lonely_if_all_the_animals_died_out_one_day④.So let's live in harmony with animals and try our best to protect them because protecting them is protecting ourselves.
