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【简答题】
大肠杆菌糖原的样品 25mg, 用 2mL 1mol/LH 2 SO 4 水解。水解液中和后 , 再稀释到 10mL 。最终溶液的葡萄糖含量为 2.35mg/mL 。分离出的糖原纯度是多少 ?
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举一反三
【单选题】Processed foods are nearly always _______ fresh or unprocessed foods.
A.
unhealthier than
B.
healthier than
C.
as healthy as
【简答题】Organic foods are produced according to certain production standards, meaning they are grown without the use of conventional pesticides, or chemical fertilizers and that they were processed without fo...
【单选题】Processed foods are becoming more popular in some Asian countries.
A.
B.
C.
NOT GIVEN
【判断题】Processed foods are easier to eat and digest, more nutritious, tastier, safer, and longer lasting.
A.
正确
B.
错误
【多选题】申请从事爆破作业的单位,应当具备以下哪些条件?()
A.
爆破作业属于合法的生产活动
B.
有健全的安全管理制度、岗位安全责任制度
C.
有具备相应资格的安全管理人员、爆破作业人员
D.
有符合要求的专用仓库和爆破作业专用设备
【单选题】When raw materials or foods are , they are prepared in factories before they are used or sold.
A.
processed
B.
proceeded
C.
protested
D.
proposed
【判断题】Processed foods are delicious and healthy.
A.
正确
B.
错误
【判断题】液体检材应放在冰箱内冷藏或用干净纱布沾附后晾干保存。
A.
正确
B.
错误
【单选题】Question 1-3 are based on the text “Not All Processed Foods Are Bad for You”. Which disease are people NOT likely to get if they eat too many ultra-processed foods?
A.
Diabetes.
B.
Heart disease.
C.
Lung cancer.
D.
Hypertension.
【简答题】Task 7 details Listen and write T if the statement is True and F for False. 1. Compared to processed foods, functional foods are much better. ____ 2. All kinds of people need to eat functional food...
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