完形填空
Li Lei has a good friend. 1 name is Jim. He is 2 the USA. He likes 3 food very much. He can 4 English and 5 Chinese. Li Lei and Jim are in the same(相同的) 6 . They are classmates(同学). They go to school five 7 a week. They stay 8 home on Saturdays and Sundays. At school they play 9 after class. They like swimming, 10 .
如图,在一个标准大气压下,某同学将冰块放人空易拉罐中并加人适量的盐,用筷子搅拌大约半分钟,测得易拉罐中冰与盐水混合物的温度低于0℃,实验时易拉罐的底部有白霜生成.对于这一实验和现象的分析,正确的是( )
When you see your teacher, hello to him.
补写出下列名篇名句中的空缺部分。
①荀子在《劝学》中说,君子需要通过广泛学习来提升自己的句子是:____,____。
②杜牧的《阿房宫赋》中总括秦的纷奢是建立在对人民的剥削和掠夺之上,并且还挥霍无度的语句是:____,____?
③辛弃疾在《永遇乐·京口北固亭怀古》中,赞叹刘裕北伐有赫赫战功的两句是:____,____。
如图,已知抛物线y=ax2+bx+c(a≠0)的图象的顶点坐标是(2,1),并且经过点(4,2),直线y= 12 x+1与抛物线交于B,D两点,以BD为直径作圆,圆心为点C,圆C与直线m交于对称轴右侧的点M(t,1),直线m上每一点的纵坐标都等于1.