observations were made__the children at the beginning and at the end of pre school and first grade.of ,on填哪个?why?

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observationsweremade__thechildrenatthebeginningandattheendofpreschoolandfirstgrade.of,on填哪个?why?obse

observations were made__the children at the beginning and at the end of pre school and first grade.of ,on填哪个?why?
observations were made__the children at the beginning and at the end of pre school and first grade.
of ,on填哪个?why?

observations were made__the children at the beginning and at the end of pre school and first grade.of ,on填哪个?why?
1.The writer of the question,I reckon,intended "of" as the correct answer,but I might be wrong.
2.Many people,esp.Chinese teachers and learners of English,believe "make an observation of sth/sb" means watching carefully the way something happens or the way someone does something.They think that "make an observation on/about sth/sb" means commenting on sth/sb.
3.Given the fact that there is no clue as to what the researchers actually did at the beginning and at the end of the pre-school periods and during the first grade,I'm not very sure of my answer.I'm inclined to choose "of",albeit this uncertainty.

make observations of sb 的用法了解就解决了

英语翻译Observed ResultsThe analysis produces some interesting observations,manyof which were not expected at the outset.A summary of thekey observations within the study are as follows;• Overall,there has been minimal change within thedemo observations were made__the children at the beginning and at the end of pre school and first grade.of ,on填哪个?why? 英语翻译For the absolute speed validation,three aspects of comparison between field observations and simulator experiment results were considered in the study,including the Kolmogorov–Smirnov normality test for speed distribution,the Ftest for MA ma 英语翻译Comprehensive assessments of Paraguay's forest cover (FC) change from the 1970s to the 2000s using Landsat observations were conducted,including a wall-to-wall mapping of changes across the whole country between the 1990s and 2000s,and an 英语翻译Lemongrass leaves were ground through a knife grinder (Model MA 580,Marconi,Brazil),and about 300 g were loaded in the extractor. SUMMARY OF ETHNOARCHAEOLOGICAL OBSERVATIONS 这个标题如果翻译 Studies and Observations Group 使命召唤7的一个组织 英语翻译Mechanical observations have established as a priciple. were zai ma zai ma A:_____ B:The people there were really friendly.MA:_____B:The people there were really friendly.My parents had some Japanese friends,and we.had dinner at their house A few people were killed in the fire,but ---------- were saved .A the most B most of whom C the mA few people were killed in the fire,but ---------- were saved .A the most B most of whom C the majority of whom D the majority 答案为什么选D? A few people were killed in the fire,but ---------- were saved .A the most B most of whom C the mA few people were killed in the fire,but ---------- were saved .A the most B most of whom C the majority of whom D the majority 符号 Ma MA是什么意思 |MA是什么意思