【2019江苏卷】完形填空详解及全文翻译请认真阅读下面短文，从短文后各题所给的A、B、C、D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。Wildlife has been greatly threatened in the modem age. There are species(物种)that are _36_ every day. The white-naped crane is a typical example. So scientists are trying their best to _37_ the species from going out of existence.Chris and Tim work at a zoo, helping endangered cranes with their _38_. Emma, a female crane, has been in their _39_ since she arrived in 2004.Born at an international crane f
