Which of the following statements is supported by the text？
A. Humans can display pure emotion.
B. Anger is always accompanied by either anxiety or fear.
Cultural differences can be easily overcome.
D. Some emotions can be distinguished cross-culturally.
The word "ambiguous"(line 1, para. 3)most probably means "______".
A. understandable
B. multi-faceted
C. uncertain
D. alternative
某市经预测2005年社会商品购买力总额为24600万元，商品可供量是11200万元，计算商品供求差额、商品供求比率、商品供求差率。
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