“注重制度建设和体制创新”，说明了()。
A. 形式对内容的决定作用
B. 系统结构对功能的作用
C. 量变与质变的辩证关系
D. 发展中矛盾的主要方面的体现
According to the passage, which of the following is important in explaining a muscle movement？
A. The flow of blood to the muscles.
B. Classical conditioning.
C. Protein interaction.
D. The entry of unpleasant stimuli through the cell membrane.
A．soB．howeverC．butD．or
A. so
B. however
C. but
D. or
A．workB．houseworkC．dutyD．business
A. work
B. housework
C. duty
D. business
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