2. The size of the newly broadened square __________________(是以前的四倍大)
3. After the new technique was introduced,the factory_______________(2000年能生产的卡车是往年的两倍)
答案：
1.increased by 50 percent compared with last year
2.is four times that of the previous one
3.produced twice as many trucks in 2000 as the year before
责任编辑：sealion1986
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