【单选题】下列叙述正确的是 ( )
A.
在氧化还原反应中,肯定有一种元素被氧化,另一种元素被还原
D.
元素由化合态变成游离态时,它可能被氧化,也可能被还原
【简答题】根据中文提示填空。 1.He is a very _____________ (勇敢) young man. 2.It is ______________ (危险) to play football on the road. 3.The boy _______________ (倒) the water over a dog. The dog ran away. 4.He has a lot of...
【简答题】阅读理解。 George is a young man. He has a very big dog and a very small car. He likes playing volleyball. One day, after he plays volleyball for an hour at his club, he runs out and jumps into a car. His ...
【多选题】建筑施工现场的职工伤亡事故的种类主要有:( )坍塌事故。
【单选题】随着计算机和网络的普及,通过博客或班级QQ群布置作业,成为国内很多中小学老师的新选择,这种方式方便快捷,省却了老师和学生们抄写的辛苦。这种现代化的方式虽然得到了一些老师的支持,但是也引起了不少家长的不满。 下列选项不能解释上述现象的是:
A.
作业需要打印,家长大都会上网,可没几个家庭会准备打印机,购买打印机增加了家长的开支
B.
“电子化”家庭作业改变了学生传统的书写习惯,也加剧了学生提笔忘字的现象
C.
平常学生亲手做的作业尚且时有抄袭现象.现在,“电子化”更是为他们提供了便捷的条件
D.
现在很多中小学生迷恋网络,经常陷入网游中不能自拔
【单选题】“空觉极圆,空所空灭,生灭既灭,寂灭现前”出自()。
【单选题】He is very old, _____________ he works like a young man. [ ]
【简答题】There once was a very wealthy and successful man. He had more money than he could ever spend, and he was admired and looked up to by his community. __1___ He wasn’t happy. All his life he had been loo...