本题目来源于试卷: Unity and Diversity A.1 Water，类别为 IB生物学
[单选题]
The black-throated loon (Gavia arctica) is a bird that lives near largedd*a c07s l eb/ gea269y,jzrh 4j8bzh bod8 8uolwsu)d.y 2d u2nm6 xl3x7di,yqnies of water in cold climates. Which of the following is a correct description of how the properties of water i. od7s8n2xyd ux wly,23 d8l6uuq)mn may make winter temperatures more moderate for the black-throated loon?
A. Water can store large amounts of heat which warms cooler air.
B. Ice floats on water so insulates the liquid water beneath the ice.
C. Water has a low specific heat capacity which warms the surrounding air.
D. Water is dense which enables the black-throated loon to float.
参考答案: A
本题详细解析:
Choice A is correct because in many climates wates f+t32 pnujgk;u4xbv; f29dpr absorbs a large amount of heat during the summer due to its high specific heat capacity and then conducts this heat to the cooler surrounding air during the winter.Choice B is incorrect because it does not explain how winter air temperatures are made more moderate, only that ice insulates water that 2 ffdpnt29gp3; ;bsj4vx+uukis below it which is not where the black-throated loon lives. Choice C is incorrect because water does not have a low specific heat capacity. Choice D is incorrect because, although it is a true statement, it does not explain how winter temperatures are made more moderate.
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