2. 外语
  3. No living thing could survive at a vent except tube worms. Underwater cameras are helping scientists make ______, but diving ex

No living thing could survive at a vent except tube worms. Underwater cameras are helping scientists make ______, but diving ex

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问题 No living thing could survive at a vent except tube worms.
Underwater cameras are helping scientists make ______, but diving expeditions are still the most useful way to gather information.
选项
答案less intrusive observations
解析 题目是Underwater cameras are helping scientists make _______，but diving expeditions are still the most useful way to gather information．阅读本题可知讨论的是科学家观察海底生物的方式，定位到原文第八段，直接填入。
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大学英语四级

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