51. What does the passage say about infants learning the category "dog" if they are exposed to Chihuahuas only?
A) They will encounter some degree of difficulty.
B) They will try to categorise other objects first.
C) They will prefer Chihuahuas to other dog species.
D) They will imagine Chihuahuas in various conditions.
（本题出自2024年6月六级真题卷三）
答案&解析
51.A）
文章第二段第二句提到，如果只让婴儿接触吉娃娃，而不是许多不同种类的狗，他们将很难学会“狗”这一类别。原文中的struggle to和A选项中的encounter some degree of difficulty表达相同含义，故选项A为正确答案。选项B、C、D在文中没有提到，故都排除。
↓↓↓↓↓↓↓ 点击下图：获历年真题↓↓↓↓↓↓↓
