按目前的观点，以下何种模式是基本合理的膳食结构（）
A. 东方型模式
B. 发达国家模式
C. 日本模式
D. 以上都是
E. 以上都不是
国家强制力是否立即发挥作用，取决于（）主体行为的性质。
A. 劳动法
B. 宪法
C. 劳动关系
D. 劳动法律关系
（），we would have finished it then.
A. If had we had better equipment
B. Had we had better equipment
C. Had had we better equipment
D. We had had better equipment
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