采用产品普及率判定法对某一产品的生命周期进行判断,此方法主要适用于( )消费品。
A.低档消费品
B.中低档消费品
C.高档消费品
D.高档耐用消费品
参考答案:A
某上市公司A股在深圳证券交易所挂牌交易,某交易日该股最后一分钟的成交情况为:11.00元成交50手,11.04元成交150手,11.13元成交300手,该股的收盘价是( )元。
A.9.19 B.10.09C.11.09 D.11.19
(2013·陕西师大附中模拟)If we had taken such effective measures much earlier, the river ________ so seriously now.
A.is not polluted
B.would not be polluted
C.had not been polluted
D.would not have been polluted