弊端的意思是什么意思

客车和货车同时从甲.乙两地的中间向相反方向行驶3小时后客车到达甲地,货车离乙地还有30千米,货车和客车的速度比是3：4,求两地的距离是多少千米? 作文： 某天晚上12：00,“唉天空怎么还是这么亮呀!叫偶怎么睡觉呀?”1：30“噢,怎么?老天爷你不困就不叫我们睡觉是吧?看我不扁死你!唉,没有办法啦,看电视去!” “哼哼!看一看新闻台,这 As long as the heart is still beating,chasing the dream does not stop pace. BIll wasn't feeling well ,__he still went to school .填什么 挫折真的可以锻炼人的意志么?如题 Bill still went to school __.He wasn't feeling well .应该填什么 long lasted dream 还是long held dream He _____not ______（see）me come in,for he ___(read) something with great interest 怎样锻炼人的意志人的意志,人会有懒惰的情绪.有时很在意自己的现状.而不去努力. I met him while he 什么 something with great interest.(read) I didn't feel well yesterday.改为同义句 He didn't feel well yesterday,did he?(),and he didn't come to schoolA.Yes,he didB.No,he didn'tC.Yes,he didn'tD.No,he did最好有讲解 根据首字母填空 I did n__ yesterday because I didn't feel well Do you m___ opening the box for me 直线L方程是(2m-1)x +(m+3)y-(m-11)=0 (m∈R)恒过定点____如题 直线L方程是(2m-1)x +(m+3)y-(m-11)=0 (m∈R)恒过定点____顺便讲讲思路什么的. 直线方程（m-1） x＋（2m-1）y＝m-5 的定点 He didn't finish his homework.The reason is that he didn't feel well yesterday.改成定语从句. -2x^3+8x^2-8xy^2因式分解- 2x^3-8x^2y+8xy^2 (8x的二次y-2x的二次y的二次)÷(-8x的二次y） l often come up with this when l am unable to achieve something翻译 when ___ this book____?A.is；come out B.did;come out C.was ;come out D .was ;come out此题中书是不是被动的? 用英语写做面条的过程,一定要简单,给了几幅图,写做面条的过程,先是把水浇进去,然后是煮,等水沸腾了,把面条放进去,然后搅拌,之后放进盘子里,最后加盐 不要无聊才想起我 英文翻译 when ( ) this book （ ） A.IS;come out B.did;come out C was;come out D was;came outwhen ( ) this book （ ） A.IS;come out B.did;come out C was;come out D was;came out what do people give each other at Easter?怎样回答? 6-10题? 6-10题谢谢 8x+5x=?3x-2x=?7.5-4.2x=?请给我一个准确的答案！ 求after school 夜空下的下载 6题至10题. 计算：2+√2/2-√2-﹙1/√2-1+√2﹚=_____ 计算.-/-2/=?/-(-2)/=?-（+2）=?-（-1/2）=?-[+﹙-2﹚]=?+[-﹙+1/2﹚]=?