在商务谈判中各类语言的灵活应用中应该遵循（）的原则。
A、有的放矢和对症下药
B、因人而异
C、适时
D、攻其不备
参考答案：A
More and more trees were cut down. _____, many animals are dying out.
[ ]
A. In the end
B. So that
C. As a result
D. At last
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