Once harm ______ to the environment, it takes years to have the system recovered.
A.does | B.is done | C.will be done | D.be done |
科目:高中英语 来源:20102011年浙江省温州市十校联考高一下期末考试英语试题 题型:单项填空
Once harm is _______ to the eco-system, all species will ________, including man himself.
A. made; be in danger B. done; be dangerous
C. caused; be endangered D. done; be in danger
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科目:高中英语 来源: 题型:
Once harm ______ to the environment, it takes years to have the system recovered.
A. does B. is done C. will be done D. be done
查看答案和解析>>
科目:高中英语 来源: 题型:
Once harm ______ to the environment, it takes years to have the system recovered.
A. does B. is done C. will be done D. be done
查看答案和解析>>
科目:高中英语 来源: 题型:
Once harm ______ to the environment, it takes years to have the system recovered.
A. does B. is done C. will be done D. be done
查看答案和解析>>
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