GRE Text Completion: Manhatton-GRE填空Manhatton - 4KYLXTOB3LD3RD2D=

Taxation of legal substances known to be of a (i)____________ nature necessarily threads a thin line; it threatens to (ii)____________ government support for consumption of a product the use of which it is rightly interested in curtailing. A. noxious B. legitimize C. salubrious D. incentivize E. hortatory F. signify