题目内容

简单指数平滑法和多项式法适合于趋势预测

A. 对
B. 错

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温特斯指数平滑法适合于趋势和季节性波动的预测。

A. 对
B. 错

1. Directions: There are 14 questions in this section from No.1-No.14. Fill in the blanks by choosing the best answer.【单选题】So far as I know that people’s tastes haven’t changed much, and, ______, they are getting more diverse these days than they used to be.

A. if anything
B. if something
C. if nothing

【单选题】Much of his success is______ to his powers of imagination.

A. incredible
B. credible
C. credited

【单选题】He was dressed very casually, ,which made him look a ______ out of place at the reception.

A. trifle
B. trivial
C. trifles

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