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阅读下面材料,在空白处填入适当的内容(1个单词)或括号内单词的正确形式。

Dogs are desperate for human eye contact. It’s hard for most people to resist a flash of puppy-dog eyes. Dogs split off from 1. (they) wolf relatives. A paper has found that dogs’ faces are structured for complex 2. (expression) in a way that wolves’ aren’t. There are two muscles 3. work together to widen and open a dog’s eyes, causing them to appear 4. (big), and objectively cuter. 5. for wolves neither muscle was present. When dogs work these muscles, humans respond more positively. This isn’t simply 6. accidental love story, where the eyes of two species just so happen to meet across a crowded planet. Like all the best partnerships, this one more likely 7. (result) from years of evolution and growth.

For a species to change quickly, a pretty 8. (power) force must be having effects on it. And that’s where humans come in. We connect 9. (close) with animals capable of exaggerating the size and width of their eyes, 10. (make) them look like our own human babies.

高二英语语法填空中等难度题

少年,再来一题如何?
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