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【单选题】
每克脂肪在体内氧化可产生()千焦耳热量。A.
30
B.
36
C.
37.7
D.
37
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【单选题】听力原文：W: John, this new Walkman is absolutely wonderful. M: Yeah, I like it very much. W: Thank you for lending me this Walkman. M: Don't mention it. W: Where did you buy it? M: Tom and Jane bought it ...
A.
Teacher and student.
B.
Siblings.
C.
Friends.
D.
Relatives.
【简答题】（ ）是以天然或合成高分子物质为载体制成的载药微细粒子。
【单选题】听力原文：W: Your spoken English is very good. I like it very much. M: Thank you! You see, I've ever stayed in America for three years and during that time my oral English was improved a lot. Q: How long d...
A.
Two years.
B.
Three years.
C.
Four years.
D.
Five years.
【简答题】是以天然或合成高分子物质为载体制成的载药微细粒子。
【简答题】Happy Sunday I have four goldfishes in my room. They are very beautiful. I love them very much. On weekdays, I’m always busy. I must study and do homework and so on, so I have no time to care(照顾) them...
【简答题】以天然或合成高分子物质为载体制成的载药微细粒子
【简答题】《化学与生活》告诉我们，钙对维持人体的循环、呼吸、肌肉、骨骼及免疫等系统正常生理功能具有重要作用．如图是“钙片商品标签图” 根据标签内容信息，计算回答下列问题： （1）碳酸钙的相对分子质量为______； （2）碳酸钙中钙元素的质量分数为______； （3）小明按食用方法连续服用了这种钙片6天．请你算算理论上最少能补充______g的钙元素．（请保留小数点后两位小数）
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