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等级量尺具有相等单位。()

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SECTION B NOTE-WRITING (10 MIN)
SECTION B NOTE-WRITING
Write on ANSWER SHEET TWO a note of about 50-60 words based on the following situation:
Peter has won the first prize at the 21st Century Speech Contest. Write a note of congratulations to him.
Marks will be awarded for content, organization, grammar and appropriateness.

从总体中选择一部分具有代表性的单位进行深入细致的调查，称为个别调查。()

只要其出现，结果就一定会出现的条件称为充分条件。 ()

假设是研究问题的肯定答案。()