A-A+
According to the news item efforts of environ
问题详情
According to the news item, efforts of environmental protection are especially affected by
A．lack of technology
B．rapid economic growth
C．unknown pollution sources
D．shortage of manpower
参考答案
正确答案：A
解析：细节题。环保努力尤其受到技术缺乏的影响compromised。China's environmental cleanup is compromised by more than two decades of rapid economic growth，and a lack of technology especially．
