为促进销售达成而实施的平台营销活动,营销效果的核心指标是()。
A、销售指标
B、供应链指标
C、推广指标
D、流量指标

单项选择题Every season has a corresponding taste, according to the Five Elements theory. For example, winter is associated with __________. A、a bitter taste B、a pungent or spicy taste C、a salty taste D、a sour taste

单项选择题To err is human; to forgive, divine. The two infinitives in the above sentence act as _____. A、subject B、adverbial C、object D、predicate