题目内容
However, aggression ____(本身) is not necessarily a bad thing. Some psychologists believe that aggression is a basic human instinct that must be satisfied.
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If constructive means are not available to satisfy this instinct, man will ____(求助于) destructive means.
When a territorial animal or bird intrudes on the territory of another creature of the same species, the latter will only perform some hostile gestures to ____(告诫……离开某地) the intruder.
女，35岁。呕血伴黑便2小时入院。查体：意识淡漠，血压80/60mmHg，心率134次/分。病因不明，当前的首要措施是：
罗兹-哥特里法测定乳脂肪含量的时，用来破坏脂肪球膜。
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