题目内容:
Thewriter'spurposeinwritingthispassageisto( ). A.argueforteachingbrightandnot-so-brightpupilsinthesameclass
B.recommendpairworkandgroupworkforclassroomactivities
C.offeradviceontheproperuseofthelibrary
D.emphasizetheimportanceofappropriateformalclassroomteaching
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答案解析: