题目内容
The project has made _________ fishery management a challenge, since it requires the close cooperation of numerous national governments.
查看答案
搜索结果不匹配？点我反馈
更多问题
It feels better to do what one can to reduce _________ and waste, but how much is enough?
Street lamps, _________ signs and floodlit monuments all send light into the atmosphere, obscuring the much fainter stars.
With the development of industry, many more beautiful rivers are badly polluted, but _________, people now are trying to solve the pollution problems.
The oil industry says it’s already reducing greenhouse gas _________ in the electricity sector as coal plants have been switched to natural gas stations.
微信支付 
支付宝支付