单选题
Observations were made ______ the children at the beginning and at the end of pre-school and first grade.
【正确答案】
B
【答案解析】[解析] make observation(s) of对……进行观察。笔者认为,选择项C. on也是可接受的,因为make observations on...意为“对……作出观察报告、评论;对……观察后发表评论意见”,例如:He made several observations on the work.(他对这项工作提出了几点评论意见。) 又如:I have one or two observations to make on your conduct.(引自
The Universal Dictionary of the English Language
by H.C. Wyld 1960)可见,如选C,则本题可译为:在学前班和一年级开始和结束时,过去常对孩子提一些评论意见。以上看法为一孔之见,供参考。