下列属于紧缩性财政政策的主要手段的是()。
A.降低利率
B.压缩财政支出规模
C.减少税负
D.提高财政收入规模
参考答案:A
A new study has found no evidence that the sunscreen, commonly used to reduce the risk of skin cancer, actually____ the risk.
A.increase
B.increasing
C.increases
D.having increased
近年来,我国许多城市禁止汽车使用含铅汽油,主要原因是 [ ]
A.提高汽油的燃烧效率
B.降低汽油的成本
C.避免铅污染大气
D.铅资源短缺