Every possible means ________ to prevent the air pollution,but the sky is still not very clear.
A.were using B.have used
C.has been used D.was used
高三英语单项填空中等难度题
7、Every possible means ______ to prevent the air pollution, but the sky is still not clear.
A.is used | B.are used | C.has been used | D.have been used |
高三英语单项填空简单题查看答案及解析
Every possible means _____ to prevent the air pollution, but the sky is still not clear.
A. is used B. are used C. has been used D. have been used
高三英语单项填空中等难度题查看答案及解析
Every possible means ________ to prevent the air pollution,but the sky is still not very clear.
A.were using B.have used
C.has been used D.was used
高三英语单项填空中等难度题查看答案及解析
Every possible means ________ to prevent the air pollution, but sky is still not clear.
A.is used B.are used C.have used D.has been used
高三英语单项填空中等难度题查看答案及解析
All possible means ____ to prevent the air pollution, but the sky is still not clear.
A. is used B. has been used C. are use D. have been used
高三英语单项填空中等难度题查看答案及解析
According to the World Health Organization, air pollution is ____ millions of deaths every year.
A. original from B. suitable for
C. accessible to D. responsible for
高三英语单项填空中等难度题查看答案及解析
In order to keep the balance of ecosystem, every possible means _______to deal with the problems of the over-exploiting of natural resources.
A.has tried B.has been tried C.have taken D.have been taken
高三英语单项填空中等难度题查看答案及解析
In view of the global financial crisis, every possible means ________ to stimulate the economic development in China.
A.have tried B.have been tried
C.has tried D.has been tried
高三英语单项填空中等难度题查看答案及解析
So far, almost every possible means ______to provide accommodation and medical rescue for the people in the flood-stricken area.
A. were tried B. was tried
C. have been tried D. has been tried
高三英语单项填空中等难度题查看答案及解析
The serious situation made it possible for laws preventing pollutions_________in many countries.
A.from passing B.to pass C.by passing D.to be passed
高三英语单项填空简单题查看答案及解析