professor mackay told us that ( ) of lead are its softness and its resistance.a.some properties

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professor mackay told us that ( ) of lead are its softness and its resistance.a.some properties
professor mackay told us that ( ) of lead are its softness and its resistance.a.some properties

professor mackay told us that ( ) of lead are its softness and its resistance.a.some properties
意思是“MACKAY教授告诉我们,铅的特性有柔软度和电阻力”,如果填那个选项的话.
property可是财产的意思,也可以是性质,如果表示性质的话就要填复数形式.而这里要在properties前面加一个限定词,可以是some,当然,如果是the properties 也是可以的