问题
the extreme levels of air pollution, city authorities have started to take measures to quickly reduce pollution levels and protect city dwellers.
A:In spite of
B:As well as
C:In response to
D:By means of;
B:As well as
C:In response to
D:By means of;
正确答案是：
同类题型
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___ the workers insited on was that they ___ more pay.
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