求翻译：比如，基础和动力不足，难以齐步走，每个学生所占空间太小，无法开展拟景活动;分组或配对数量多，教师不易一一照顾;提问面窄，师生双方操练的比重过小;学生需要差异很大，难以确定课堂教学要求等。是什么意思？

For example, the basis and driving force, it is difficult to marching, each student share of the space is too small, unable to carry out activities intended to King; grouping or matching the number of teacher is not easy to take care of eleven; narrow question, the proportion of both teachers and st

For example, a basic and lack of power, it is difficult to keep pace, and each student of the space is too small to be carried out; group activities or pair number 11, teachers are not easy questions, both teachers and students, and the narrow portion of the drill is too small; students need to be v

For instance, the foundation and the power are insufficient, in step walks with difficulty, each student occupies the space too to be small, is unable to develop draws up the scenery activity; The grouping or pair quantity are many, teacher not easy 11 attendances; The inquiry surface is narrow, tea

For example, base and underpowered to be quick March, too little room for each student, unable to carry out activities to be King; group or number of paired, teachers easily one by one take care; questioning narrow, too small a proportion of both teachers and students practicing; students ' needs va

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