问题
单项选择题
某企业依靠技术进步，率先提高了劳动生产率。结果该企业（）
①生产成本降低，单位商品价值减少，利润增加
②生产商品的社会必要劳动时间减少
③在社会劳动生产率不变的条件下，同一时间创造的商品价值总量增加
④同一时间内生产的商品数量增多
A.①②
B.③④
C.②③
D.①④
答案
参考答案：B
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某企业依靠技术进步，率先提高了劳动生产率。结果该企业（）
①生产成本降低，单位商品价值减少，利润增加
②生产商品的社会必要劳动时间减少
③在社会劳动生产率不变的条件下，同一时间创造的商品价值总量增加
④同一时间内生产的商品数量增多
A.①②
B.③④
C.②③
D.①④
参考答案：B
| 阅读理解。 | ||
| ||
| 1. What's this? It's a ______. | ||
[ ] | ||
| A. letter B. diary C. newspaper D. notice | ||
| 2. It has been put up ______. | ||
[ ] | ||
| A. to give an order for fish B. for a concert C. to warn fishermen of the danger D. for making fun of fishermen | ||
| 3. It told the fishermen ______. | ||
[ ] | ||
| A. to stop fishing B. the fish from the waters is unfit to eat C. that they would never go fishing D. that fishing was not allowed here |