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【单选题】
雪糕吃起来比较软，冰块吃起来比较硬，是因为（）。
A.
冰块中水的纯度高，雪糕中水的纯度低。
B.
冰块温度高，雪糕温度低。
C.
冰块结晶完整，雪糕晶体较小。
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【多选题】冰淇淋与雪糕的不同的是( )
A.
固形物含量不同，冰淇淋要求总固形物大于30%，而雪糕大于16%即可。
B.
脂肪含量不同
C.
蛋白质含量不同
D.
生产工艺不同。
E.
雪糕的原料质量相对较差
【单选题】Teach Your Chlld Sclence 1．It is important to make your child interested in science from an early age．Most young children ask a lot of questions and you should give careful scientific answers．Don't on...
A.
What exactly is science?
B.
How do you find an explanation?
C.
What topics do you need?
D.
How do you answer your child's questions?
E.
Where does your child study science?
F.
How do you set up the experiment on saltand water?
第 23 题 Paragraph 1______________
第 23 题 Paragraph 1______________
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【多选题】冰淇淋与雪糕的不同的是( )
A.
固形物含量不同，冰淇淋要求总固形物大于30%，而雪糕大于16%即可。
B.
脂肪含量不同
C.
蛋白质含量不同
D.
生产工艺不同。
E.
雪糕的原料质量相对较差
【单选题】Teach Your Chlld Sclence 1．It is important to make your child interested in science from an early age．Most young children ask a lot of questions and you should give careful scientific answers．Don't on...
A.
What exactly is science?
B.
How do you find an explanation?
C.
What topics do you need?
D.
How do you answer your child's questions?
E.
Where does your child study science?
F.
How do you set up the experiment on saltand water?
第 23 题 Paragraph 1______________
第 23 题 Paragraph 1______________
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