It is because these instruments is to

题目

It is because these instruments is to
It is because these instruments is to slow down the rate of economic growth,not to make a negative economic growth.Therefore,the instruments with a cooling effect will not effect the employment problem significantly.
is to?还是 art to?
is to?还是 are to?

答案

原因在于这些手段旨在减慢经济增长速度,而不是造成经济负增长.因此,这些“冷却”手段不会严重影响就业问题.
是is to啊,art