11.
(A) exchangers
(B) sources
(C) influxes
(D) extinguishers

答案：登入後查看
統計： A(16), B(119), C(18), D(10), E(0) #614160

詳解 (共 2 筆)

#944942

That is, they depend on external heat sources . such as the sun, to raise their body temperature. 

 

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#4520883
（A）交換器（B）來源（C）湧入（D）滅...
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