下列哪些清洗方法更容易损失蔬菜中的营养素:()
A、先切后洗
B、先泡后洗
C、直接用流水冲洗
D、焯完的菜过分挤去水分
参考答案:A, D
你能找出下列句子中的错误吗?选出来并改一改。
( ) 1. What did you do on you holiday? _______________
A B C
( ) 2. Wu Yifan is busy last weekend. _______________
( ) 3. Did you learned English on your holiday? _______________
( ) 4. What did you usually do on the weekend? _______________
( ) 5. We went with plane on our holiday. _______________
定时判决又称()判决,它的作用是()。相位,抑制信号在电缆传输及电路处理过程中所引起的部分相位抖动211、路际串话可分为(),(),()。