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The steam engine gives us an example of heat______ into work.A、turnsB、turnedC、
The steam engine gives us an example of heat______ into work.A、turnsB、turnedC、
游客
2024-01-18
61
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问题
The steam engine gives us an example of heat______ into work.
选项
A、turns
B、turned
C、turning
D、being turned
答案
D
解析
heat与turn存在被动关系,所以要用被动形式,再从意义上看,所举的是热能转变成动能这一例子,而不是被变成了动能的热能的例子,所以B项排除,此处应看作heat后省略了“’s”,是动名词的复合结构。
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