题目内容

正手近削时，手腕配合下压，在球上升后期或高点期，击球的中部或中下部。

A. 对
B. 错

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正反手削球都可以还击弧圈球。

A. 对
B. 错

有效学习发生的条件是包括（）？

A. 找到原有的经验
B. 总结旧经验的特点
C. 补充新的知识
D. 找到新知识与旧经验的联接点
E. 创建不同新知识之间的联接点

Multi-symptom cold medicines include a mix of ingredients, some of()may be useful and some not, depending on what your most severe symptoms are.

A. them
B. which
C. these
D. that

A recent survey found a solid majority of women and men in agreement that()equal sharing of housework when both parents work full time.

A. it sound have
B. it sound be
C. there sound have
D. there sound be