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【单选题】
以下关于表面活性剂的叙述，正确的是A.
能使溶液表面张力降低的物质
B.
能使溶液表面张力增高的物质
C.
能使溶液表面张力不改变的物质
D.
能使溶液表面张力急剧降低的物质
E.
能使溶液表面张力急剧增高的物质
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【判断题】Westerners take it for granted to have chicken feet or animals' inner organs.
A.
正确
B.
错误
【简答题】If we know the total number of heads and feet of chicken and rabbits. Find out how many chicken and how many rabbits. Example: heads=25, feet=60 Expected Output: chicken=20,rabbits=5
【简答题】铁板掌中宝________ Chicken Feet
【简答题】“Just ate chicken feet for lunch. ”These were the words I wrote on my blog yesterday. By the next day there were hundreds of comments from my friends. They included “OH MY GOD! That is so disgusting(令...
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