请你从下面的方框里挑选合适的短语填空。注意变换形式噢!1.Turnthelightonoryouwillthings.2.Hedidn'tstudyhard.hedidn'tpasstheexam.3.Mylittleb
请你从下面的方框里挑选合适的短语填空。注意变换形式噢!
1.Turn the light on or you will ________ things ________.
2.He didn't study hard.________ he didn't pass the exam.
3.My little brother is only five years old.So my mother dresses him and ________ for him every day.
4.These young men love ________ like deserts and snow mountains.
5.The watch I bought yesterday ________ Shanghai.
6.________ keep fit he gets up early to do exercise every morning.
7.He ________ his father with dark hair and big eyes.
8.You ________ return the computer to the shop because it doesn't work.
9.He got a job so he ________ needed to worry about money.
10.A robot never ________.It can work 24 hours every day.
已知非空集合A={x/-2≤x≤a},b={y/y=2x+3,x∈A},C={z|z=x²,x∈A 2020-04-05 …
一道初二题(急!解释清楚些)函数y=√x+2x+1的自变量x的取值范围为x>-2且x≠1,则a可以 2020-05-20 …
共9道反比例函数填空和选择,明早6点前解答(最好有过程~)1.如图,点A、B是函数y=x与y=1/ 2020-06-03 …
微分方程通解,特解,已知y1(x)和y2(x)是方程y'+p(x)y=0的俩个不同的特解,则该方程 2020-07-31 …
数学集合难题已知非空集合A={x|-2≤x≤a}B={y|y=2x+3,x∈A},C={z|z=x 2020-08-01 …
设集合M={x|y=2x+3,x属于R},N={y|x^2-y=0,x属于R},则集合M交集Ny= 2020-08-02 …
单选设函数f(x)可导,又y=f(-x),则y‘=(A.f‘(x)B.f‘(-x)C.-f‘(x)D 2020-11-03 …
(2011•扬州三模)(填空题压轴题:考查函数的性质,字母运算等)设函数f(x)的定义域为D,如果存 2020-11-06 …
3.如果x是整型变量,则合法的形式是(D).A.&(x+5)B.*xC.&*xD.*&x为什么选d, 2020-11-06 …
下列结论正确的是:A.0∉NB.﹛x^2-x=0﹜C.空集真属于﹛空集﹜D.空集∈﹛0﹜应该选哪个? 2020-12-23 …