改错。1. — What'sthisinEnglish? A B — It'sruler. CD 2. — Isthisadesk? — Yes, itisn't.AB CD3.— Isthatyourdictionary?— Yes,it's. AB CD4.

◎ 题干

改错。

1. — What's this in English?
         A                B
     — It's ruler.
           C   D
2. — Is this a desk? — Yes, it isn't.
         A       B               C       D
3. — Is that your dictionary?  — Yes,  it's.
             A    B                            C    D
4. — And what's this?
            A    B     C
     — This is a pencil sharpener.
            D

◎ 答案

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◎ 解析

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◎ 知识点

根据n多题专家分析，试题“改错。1. — What'sthisinEnglish? A B — It'sruler. CD 2. — Isthisadesk? — Yes, itisn't.AB CD3.— Isthatyourdictionary?— Yes,it's. AB CD4. — Andwhat's…”主要考查了你对【不定冠词（a，an）】，【人称代词】，【系动词】等知识点的理解和应用能力。关于这些知识点的“档案”，你可以点击相应的链接进行查看和学习。

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