下列说法正确的是    A.水往低处流,是因为分子在不停地运动  

下列说法正确的是    

A水往低处流,是因为分子在不停地运动

   B.微观粒子按从大到小排列顺序为:原子核、原子、夸克

   C.超导体和电磁铁都属于高新技术材料

D.中考实行网上阅卷,条形码扫描器中的光敏二极管使用的是半导体材料

答案

D

相关题目

6.我们传统京剧始于18世纪末,外国话剧公元前好几百年就有
6.我们传统京剧始于18世纪末,外国话剧公元前好几百年就有了。但新文化运动时期仍然把京剧称为旧戏,把话剧称为新戏。这主要是(    ) ①出于
科学家在利用无土栽培法培养一些名贵花卉时,培养液中添
科学家在利用无土栽培法培养一些名贵花卉时,培养液中添加了多种必需化学元素。其配方如下: 离 子K+Na+Mg2+Ca2+NO3-H2PO4-SO42-Zn2+ 培养液浓度/mol·L-
The cruelty of the terrorists towards the two Chinese engineers in Pakistan and
The cruelty of the terrorists towards the two Chinese engineers in Pakistan and _____ of the terrorists towards America in September 11, filled everyone with horror. A. those    B. that      C
----- What’s the model plane look like?   ----- Well, the wings of the plane
----- What’s the model plane look like?   ----- Well, the wings of the plane are ______ of its body. A. more than the length twice      B. twice more than the length C. more than twice the len
Do you have anything           is important to tell me? which    
Do you have anything           is important to tell me? which                    B. that                   C. /                     
一般说来,生物种类不会由于一个个体死亡而导致该物种的
一般说来,生物种类不会由于一个个体死亡而导致该物种的绝灭。这是因为生物体具有( ) A.遗传特性     B.生殖作用        C.生长现
2.依次填人下列各句横线上的成语,与句意最贴切的一组是
2.依次填人下列各句横线上的成语,与句意最贴切的一组是(   ) ①无锡的梅园,面临太湖,以梅饰山,以山饰梅,____。 ②苏轼也擅长书法,他取
It surprised us all ______ Kate made such big progress in this final exam.  A.
It surprised us all ______ Kate made such big progress in this final exam.  A. when            B. that         C. how              D. whether

最新题目