正确答案: A

热水壶的手柄用胶木制成，是因为胶木的导热性好

题目：下列实例中，材料的选用与描述的物理属性不相符的是（）

解析：A

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举一反三的答案和解析：

[单选题]19．

Her

解析：19．A【解析】Eli的妈妈，应用her指代。

[单选题]23． Which of the following seems to be a threat(威胁) to Hollywood?

The use of modern cameras and other equipment．

解析：23.A【解析】由第四段中间部分的“Modern cameras and real houses instead of expensively made copies in a studio”可知它们对好莱坞是种威胁。

[单选题]BRadio and television are very popular in the world today． Millions of people watch TV．Perhaps more people listen to the radio．The TV is，of course，more useful than the radio． On TV you can see and hear what is hap-pening in the world．Now radio is still with us． And the number of listeners is becoming larger． One reason for this is the invention of the transistor(半导体) radio． A transistor radio is sometimes very small． It is very easy to carry． You can put one in your pocket and listen to it on the bus or on your bike when you go to work． It is better．for blind people． The sight(视力J) of many old peo-ple is not good enough to watch TV． Then，when people are working，they can't watch TV， but they can listen to music or news over the radio． What-s more，radio is much cheaper than TV．

are both widely used

解析：26.A【解析】由第一段可知。

[单选题]_____________( )53.

to

[单选题]44．

classes

解析：44．B【解析】由本句可知，美国学校课间休息时’间较短也是一个不同点。

[单选题]下列词语中加点字的注音、字形完全正确的一项是（ ）

怡悦（yi） 广漠（mò） 一气呵成（hē）

[单选题]___________

so