问题
填空题
水溶液在其晶点和低共熔点之前,部分水分将呈冰晶析出,利用这种原理来提高提取物的浓度的浓缩方法称为________
答案
参考答案:冷冻浓缩
水溶液在其晶点和低共熔点之前,部分水分将呈冰晶析出,利用这种原理来提高提取物的浓度的浓缩方法称为________
参考答案:冷冻浓缩
A. Canada B. America C. England 小题2:The office for renting is_________ A. On Sunshine Road B. near the center of the city. C. next to Linda Language School 小题3:You can watch the dolphin show______. A. at 8:00am on Monday B. at 8:30am on Wednesday C. at 3:00pm on Thursday 小题4:With 12,000 yuan, you can rent the office for____. A. half a year B. a year C. ten months 小题5:Who can become a teacher at Linda Language School? A. Lisa, 20 years old, studies in Beijing University. B. David, 28 years old, has 4 years’ experience in teaching English C. Miss Wang, 30 years old, has 6 years’ experience in teaching English |