作业帮19.Some metals are better conductors of electricity than oth
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19.Some metals are better conductors of electricity than others
,____ means that the former have atoms that contain more free electrons than the latterr.[A] that[B] this[C] it[D] which
题 20
20.It is highly desirable that a new president ____ for this college.[A] appointed[B] is appointed[C] be appointed[D] has been appointed
,____ means that the former have atoms that contain more free electrons than the latterr.[A] that[B] this[C] it[D] which
题 20
20.It is highly desirable that a new president ____ for this college.[A] appointed[B] is appointed[C] be appointed[D] has been appointed
【19】
正确答案：D
解析：本题考非限制性定语从句的用法.根据句意,故D项正确.本句大意为：一些金属比其他金属的导电性能要好.这说明前者的原子中比后者含有更多的自由电子.
【20】
正确答案：C
解析：表达一种强烈的需求
不明白请及时追问,满意敬请采纳,O(∩_∩)O谢谢
正确答案：D
解析：本题考非限制性定语从句的用法.根据句意,故D项正确.本句大意为：一些金属比其他金属的导电性能要好.这说明前者的原子中比后者含有更多的自由电子.
【20】
正确答案：C
解析：表达一种强烈的需求
不明白请及时追问,满意敬请采纳,O(∩_∩)O谢谢
12.Some metals are better conductors of electricity than oth
Do some conductors conduct better than other?
none of these materials are conductors.
Semiconductor are merely reasonable conductors of electricit
Some Drinks Are Better than Others 作文,
英语翻译高手请进 All metals are not good conductors 这句话怎么翻译,最好带着分析,
There are many kinds of metals,___?
there are many kinds of metals _________________.
I know some people are way better than me
Some of them are Chinese,______are English.A.oth
I like electricity better than gas.改同义l electricity gas
the schools of today are much better than ____of yesterday