下列对供给的描述，正确的是( )。
(1)商品自身价格越高，供给量越大
(2)生产成本越高，市场供给越多
(3)供给量只包括新生产的产品
(4)生产者预期未来商品价格增加，短期内商品供给将减少
A．(1)
B．(1) (4)
C．(2) (4)
D．(1) (3) (4)
参考答案：B
解析： (2)生产成本越高，厂家越不愿意生产该种商品，提供给市场的产品就越少。
(3)供给量既包括新生产的产品，也包括过去尚未出售的存货。
| 用所给单词的适当形式填空。 1. He watched his things _____ (careful) and said nothing. 2. At that time, the young mum _____ (hold) her son in her arms,with tears in her eyes. 3. The young man _____ ( drop) his cigarette on the floor. 4. My teacher didn't come to school yesterday, because he _____ ( feel) ill. 5. When we got there, he _____ (sit) there and drinking. |