下图表示某商品供给量和价格的关系(横轴为供给量,纵轴为价格,S1为变动前曲线,S2为变动后曲线)。在不考虑其它因素条件下,以下变量中会导致S1向S2方向平行移动的是 ①该商品劳动生产率提高 ②该商品的市场价格提高③该商品的生产成本下降 ④生产该商品的企业减少
He had to _________in hospital ________he was better.
- How can you manage to do all these things without a rest? -I prefer_______ a cup of coffee_______ me energetic.
Tomorrow is my_______ birthday, I promise to take on more challenges in my_______.
The thing that_____ is not whether you fail or not, but whether you try or not.
- Let's go on a picnic if it_______ next Saturday. - But nobody knows if it_______ on that day.