现实生活中当市场上某种商品紧缺时，许多厂家都扩大此种商品的生产，以期获得更多利益，但并不是所有厂家都能如愿以偿。许多厂家都扩大此种商品的生产后，最有可能出现的情况是（）。
A.使生产此种商品的社会劳动生产率下降
B.扩大生产此种商品的厂家经济效益下降
C.先进入市场的先赚钱，后进入市场的少赚钱或赚不到钱
D.商品供过于求导致通货膨胀
参考答案：B
| 完形填空。 | |||
| Look at the picture. It's a picture 1 ____ a park. 2 ____ the tree 3 ____ some birds.Are there 4 ____ boys under it? Yes, they are. They are 5 ____ English books. 6 ____ girls are there near the river? There are six. Are they 7 ____ games? Yes, they are. 8 ____ that girl behind the tree? That's Kate. She is 9 ____ a red skirt. She's 10 _____ tea. | |||
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