2. 外语
  3. If a shark attack is imminent while you are in the water, ______; your strength for fighting in case the shark attacks.

If a shark attack is imminent while you are in the water, ______; your strength for fighting in case the shark attacks.

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问题 If a shark attack is imminent while you are in the water, ______; your strength for fighting in case the shark attacks.
选项 A、conserve
B、deserve
C、observe
D、preserve
答案A
解析 空格处意为“你要……体力以防鲨鱼袭击”，A项conserve意为“保存”，代入后句意通顺，符合要求，故选A。B项deserve“应得，应受到”，代入后语义不通，可以排除。对抗鲨鱼袭击需要体力，故此处应该是提醒人们保存体力，而不是需要注意到体力，故C项observe“看到，注意到”排除。preserve“保护”侧重于免受破坏，如：The wreck was preserved by the muddy sea bed． (失事船只的残骸被泥泞的海床保护了起来。)故D也可排除。
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