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题库 / Prep2007E1-SC-34
Hundreds of species of fish generate and discharge electric currents, in bursts or as steady electric fields around their bodies, using their power either to find and attack prey, to defend themselves, or also for communicating and navigating.
either to find and attack prey, to defend themselves, or also for communicating and navigating
either for finding and attacking prey, defend themselves, or for communication and navigation
to find and attack prey, for defense, or communication and navigation
for finding and attacking prey, to defend themselves, or also for communication and navigation
to find and attack prey, to defend themselves, or to communicate and navigate
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Global warming is said to be responsible for extreme weather changes, which, like the heavy rains that caused more than $2 billion in damages and led to flooding throughout the state of California,and the heat wave in the Northeastern and Midwestern United States, which was also the cause of a great amount of damage and destruction.
Awhich, like the heavy rains that caused more than $2 billion in damages and led to flooding throughout the state of California, 分析该选项
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