此题为判断题(对,错)。
此题为判断题(对,错)。
A、Acid rain also damages buildings and railway railings.
B、Acid rain kills plants and water animals but is not really harmful to humans.
C、Acid rain may attack the regions where it is formed and other regions as well.
D、Smoke from factories and power-stations in the USA is the main cause of acid rain in Canada.
A、Retailers who sell an organisation's products
B、An organisation's supplier of raw materials
C、Customers
D、An advertising agency who writes the copy for an organisation's television commercial
B.in_1
C.in_2
D.in_3
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