TOEFL 읽기

❓ 문제 According to the passage, why is bioluminescence particularly prevalent in the deep sea?

A. A. Because the lack of sunlight makes light production essential for vision.
B. B. Because it provides a means of communication that is more efficient than sound.
C. C. Because it serves multiple critical functions such as predation, defense, and communication in the dark environment.
D. D. Because deep-sea organisms have evolved to produce light as a byproduct of their metabolism.

C. Because it serves multiple critical functions such as predation, defense, and communication in the dark environment.

📝 免费在线练习

基于 700+ 托福真题题库 · 即时对错反馈

⚠️ 点击选项立即查看对错。建议先仔细阅读上方听力/文章再作答。

📝 题目：

加载中...

📚 TOEFL 준비 도서

Official TOEFL iBT Tests Vol.2