Observations of cetaceans in the wild have provided some insights on their l

游客2024-01-03 22

问题 Observations of cetaceans in the wild have provided some insights on their learning abilities. Several bottlenose dolphins off western Australia, for instance, have been observed carrying large cone-shaped sponges over their beaks. They supposedly use the sponges for protection against stingrays and other hazards on the bottom as they search for fish to eat. This is the first record of the use of tools among wild cetaceans. [br] The word "insights" in the passage is closest in meaning to

选项 A、examples
B、understanding
C、directions
D、discussion

答案 B

解析

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Observations of cetaceans in the wild have provided some insights on their l

Anintroductorysentenceforabriefsummaryofthepassageisprovidedbelow.C

Anintroductorysentenceforabriefsummaryofthepassageisprovidedbelow.C

Anintroductorysentenceforabriefsummaryofthepassageisprovidedbelow.C

Anintroductorysentenceforabriefsummaryofthepassageisprovidedbelow.C

Anintroductorysentenceforabriefsummaryofthepassageisprovidedbelow.C

Anintroductorysentenceforabriefsummaryofthepassageisprovidedbelow.C

Anintroductorysentenceforabriefsummaryofthepassageisprovidedbelow.C

Anintroductorysentenceforabriefsummaryofthepassageisprovidedbelow.C

Observationsofcetaceansinthewildhaveprovidedsomeinsightsontheirl

Observationsofcetaceansinthewildhaveprovidedsomeinsightsontheirl

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某公路工程开展普通混凝配合比设计工作,设计抗压强度等级为C30,请根据规范要求以

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儿童缺乏专门的药品，有时需要拿大人的药品“掰着吃”，而儿童体检也面临相同的窘境。

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A.腰椎结核 B.腰椎骨折 C.腰椎骨关节炎 D.腰椎间盘突出症 E.颈