减少国债、提高税率、减少政府购买和转移支付属于()财政政策。
A.扩张性
B.调节性
C.紧缩性
D.中性
参考答案:C
I am fond of music while my sister likes reading novels. It seems that we have nothing ______.
A.in trouble
B.in common
C.in place
D.in need
采用()等抽采方法的矿井宜采用低负压抽采系统。
A、采空区
B、老空区
C、邻近层泄压抽采
D、冒落区