[A] They will take one of the six major tests,[B] They will

[A] They will take one of the six major tests,[B] They will have to write a comp

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把一袋糖分给小朋友们,每人分10粒,正好分完;如果每人分15粒,刚好有4个小朋友分不到糖。那么共有多少个小朋友?

把一袋糖分给小朋友们,每人分10粒,正好分完;如果每人分15粒,刚好有4个小朋友分不到糖。那么共有多少个小朋友? A.8 B.10 C.12 D.14

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抑制性突触后电位产生的离子机制是

抑制性突触后电位产生的离子机制是A.Na+内流 B.K+内流 C.Ca2+内流 D.Cl-内流 E.K+外流

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_____ is essential for the tree but it will make paper easy

_____ is essential for the tree but it will make paper easy to break.[A] Acid [B

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In order to make white paper and card, the makers will add _

In order to make white paper and card, the makers will add __[A] albescent[B] bl

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