3A Unit 3 Review 23

私に1つの質問させてください。

ask / a / let / you / me / question

絶滅

• condition

• climate

• extinction

• survive

asked / to / me / call / back / he / him

開発

• development

• destroy

• device

• decision

Human beings are a part of this [生態系].

The population of ibises in Japan [速く・急速に] decreased.

伐採

• mining

• logging

• hunting

• breeding

Since the 1990s, people have been ________ the Chinese-born ibises.

[～を飼育する]

着いたらご連絡します。

I / you / when / arrive / let / know / I / will

There are many reasons, such as hunting, logging, and ------.

• destroy

• mining

• survive

• driving