observation

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observation

1.While conducting an observation, which of the followings is NOT recommended?2.Directions:　Try to decide whether the following statement is true or false.1.An inference is an assumption that involved in draw3.A synchronic description takes a fixed instant (usually, but not necessarily, the present) as its point of observation.4.A（）description takes a fixed instant (usually, but not necessarily, the present) as its point of observation.