话题：Swimming with Killers与虎鲸同游的女学者

　　单词拼写：

　　1、Dread：fearful expectation

　　2、Marine biologist：experts who study of animals in the sea 海洋生物学家

　　3、Orca whales：虎鲸

　　4、Predators (review)：hunter

　　5、Oysters：牡蛎

　　重点俚语：

　　1、Critically endangered：extremely perilous

　　2、On a mission：work was undertaking

　　3、(Orca) soup：many orcas in the water

　　4、Registered me on the crazy scale：be treated crazily

　　问题：

　　1、How many years has Dr Ingrid Visser been swimming with orca whales?

　　2、Why are the animals becoming critically endangered?

　　3、What did Ingrid study when she was told she couldn’t study orca?

　　答案：

　　1、20 years

　　2、Due to overfishing and high level chemicals in the water

　　3、Oysters ( Sea milk )