問題詳情
21. Which of the following is a problem withcommercial incubators?
(A) They lack the natural temperature changesof the outdoors.
(B) They are unable to heat the eggs evenly
(C) They do not transfer heat to the egg in thesame way the parent bird does.
(D) They are expensive to operate.
(A) They lack the natural temperature changesof the outdoors.
(B) They are unable to heat the eggs evenly
(C) They do not transfer heat to the egg in thesame way the parent bird does.
(D) They are expensive to operate.
參考答案
答案：C
難度：非常困難0
統計：A(0),B(0),C(0),D(0),E(0)
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