高一数学必修一的!急需!!

来源:百度知道 编辑:UC知道 时间:2024/05/10 12:11:11
1.将(3/4)的1/2次方,(3/4)的-3次方,(4/3)的平方.用"<"连接起来____.
2.函数y=3的(2-3x2)次方的单调递减区间是___.
3.函数y=mx2-mx+2与X轴没有交点,则实数m的取值范围是____.

第一段
Today is Sunday. 今天是星期天, It’s a fine day. 天气很好。The sky is blue. 天空是蓝色。 Mr White is with his family. 瓦特先生和家里人在一起。 There are four people in his family. 他家里有四口人。 They are Mr and Mrs White, 他们是瓦特夫妇, Mary and Jim. 玛丽和吉米,They are walking on the bridge(桥). 他们在桥上散步,There are some boats on the river. 河里有很多小艇。 Mr and Mrs White are looking at them. 瓦特夫妇在看它们 。 Mary is not looking at the boats. 玛丽没看船, She is looking at a big ship. 她在看一艘大船。 Jim is looking at the birds in the sky. 吉米在看天空中的鸟, They have a good time. 他们很快乐。
第二段
This is Li Ping. 这是李萍, That’s Li Ming. 这是李明。 They look the same. 他们看起来很像。 They’re twelve. 他们十二岁了。 Li Ping’s father is a doctor. 李萍的爸爸是医生, Li Ming’s mother is a nurse. 李明的妈妈是护士。 Their parents love them very much. 他们的父母亲都很爱他们,Look, 看,this is their bedroom. 这是他们的卧室, I can see two desks, two chairs and two beds in it. There are many books on the desk. There’s a map of China on the wall. They have a new computer. 两把椅子,两个床,很多书,墙上中国地图,一台新计算机, They’re playing a comp