精英家教网 > 高中英语 > 题目详情

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

 

【答案】

D

【解析】 略

 

练习册系列答案
相关习题

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>>

科目:高中英语 来源:2010年上海市虹口区高三下学期质量监控考试(英语) 题型:单选题

Once harm ______ to the environment, it takes years to have the system recovered.

A.doesB.is doneC.will be done D.be done

查看答案和解析>>

同步练习册答案