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【单选题】
Natural disasters, as well as the effects of erosion over time, can lead to the loss of a plant’s natural habitat.
A.
human activities
B.
destruction and wearing away
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】The Global Seed Vault will play a crucial role in protecting the world’s food crops from weather disasters and climate change.
A.
small
B.
very important
【单选题】Plants have even more vulnerability to climate change and natural disasters than animals do because plants cannot move to other areas.
A.
ability to protect oneself
B.
openness to attack or damage
【单选题】Food crops are always in danger from devastating diseases and natural disasters.
A.
extremely destructive and damaging
B.
minor and easy to stop
【单选题】Many of the challenges confronting the world can be solved only through global cooperation.
A.
facing or threatening
B.
hiding from or tricking
【单选题】It is important to conserve seeds and shoots so that future generations can enjoy and use the same plants we have today.
A.
plant
B.
look after and save