答案：follow
答案：follow
A. A.the impossible
B. B.most impossible
C. C.the most impossible
D. D.the more impossible
A. A.be taken...into account
B. B.not take...into account
C. C.take...into account
D. D.takes...into account
A. A.许多经济学家认为，广告增加了竞争的成本，使商品质量不断下降，这就使消费者的经济利益受到损害。
B. B.许多经济学家相信，广告加剧了竞争，又降低了商品的价格，所以消费者和整个经济都会从中得到好处。
C. C.许多经济学家坚信，广告会加剧竞争，过度的竞争使商品质量低劣，从而影响消费者整体的经济利益。
D. D.许多经济学认为，广告有助于竞争，而竞争的加剧会降低商品价格，从而使消费者和经济在整体上受益。
A. A.add
B. B.adds
C. C.addition
D. D.additive
A. A.Had I known; would ring him up
B. B.Should I know; would have rung him up
C. C.If I knew; would ring him up
D. D.Had I known; would have rung him up
A. A.efficient
B. B.efficiency
C. C.efficiently
D. D.inefficient
