皮皮学，免费搜题
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【单选题】
有利于钙吸收的膳食因素是？
A.
植物酸
B.
膳食纤维
C.
磷酸盐
D.
乳糖
E.
脂肪酸
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举一反三
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B.
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D.
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【单选题】What does the writer of this passage want to tell us?
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Since human beings cannot live alone, neighboring will be important again.
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Machines are not good because they keep people apart.
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Neighbors are not necessary in our time of machines.
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【判断题】Eliza Parks has a good relationship with her parents.
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【单选题】Since people cannot learn through legitimate channels all ______ they are anxious to learn, they pick up news wherever they can.
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【简答题】Losing ecosystem services has serious effects on people’s lives and health. When the Catskills watersheds became too small to purify water well, the drinking water in nearby New York City became unhea...
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【简答题】试翻译下面一段话。切忌抄袭,与直接使用翻译软件。Describe the paper clips as a material that is not used for energy and cannot be excreted. Redistribute the paper clips, giving each student five to ten clips. Repeat the proce...
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【单选题】What does the writer of this passage want tell readers?
A.
Since human beings cannot live alone, being neighbor will be important again.
B.
Machines are not good because they keep people apart.
C.
Neighbors are not necessary in our time of machines.
D.
Machines call replace good neighbors as they can work for people and entertain people.
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【单选题】What does the writer of this passage want tell readers?
A.
Since human beings cannot live alone, being neighbor will be important again.
B.
Machines are not good because they keep people apart.
C.
Neighbors are not necessary in our time of machines.
D.
Machines call replace good neighbors as they can work for people and entertain people.
查看完整题目与答案