2019-2020学年度人教版必修二Unit 4Wildlife protectionPeriod 2language points课件(27张)
2019-2020学年度人教版必修二Unit 4Wildlife protectionPeriod 2language points课件(27张)第2页

1.die out : 1)Elephants would die out soon if men were allowed to shoot as many as they wish. Many old customs are dying out. 3)The fire died out in the end.

(灭绝,绝种)

(逐渐消失)

(熄灭)

It’s bad news that quite a few rare animals are__ each year. dying off B. dying out C. dying from D.dying away(风,声音等逐渐消失)