北洋政府时期

一辆车从甲地开往乙地,9小时行了全程的七分之三,比剩下的路程少150千米.平均每小时行多远? 一辆汽车从甲地开往乙地,9小时行驶了全程的3/7,比剩下的路程少了150千米.平均每小时行驶多远. 一辆汽车从甲地开往乙地,在离中点16千米时,已行路程与未行路程的比是2：3,甲乙两地的距离是多少千米? The teacher and the students talk ____________ English ____________ class.A.in; in the B.in; in C.with; in the 求下列英语题目的答案及其语法1、The moment I got home ,I found I ___ my jacket on the playground.A had left B left C have left D was leaving 2、 Not until the motorbike looked almost new ____ repairing and cleaning it.A he stopped B di 英译中:We will go for picnic tomorrow if the weather is fine. 英语翻译古文翻译 文言文《朱元璋画像》的道理! 文言文朱元璋画像 成现代文 if the weather is fine tomorrow改成独立主格if the weather is fine tomorrow改成独立主格：the weather being fine tomorrow还是the weather to be fine tomorrow?为什么？ 关于x的方程x+2(m+3)x+2m+14=0有两实根,并且一个根小于1,另一个根大于3,求m的取值范围.今晚就要,過時不候. 用所给词语的适当形式填空：please tell mother that I___ ___（do）do my homework now.如题, My mother often makes me do my homework after supper(改为被动语态)老师讲的是I often made to do my homework after suooer.但是为什么是made to do my homework不是make do sth. 方程x^2+(m^2-1)x+(m-2)=0的一个根比1大 另一个根比-1小 则m的取值范围是? 有谁知道描写春天的三首诗, my mother tell me to do homework 的中文意思和被动语态 有谁知道关于女人的诗词 Don't tell me how to do my homework .You-----(sounded\looked) like my mother. My parents often tell me to do my homework by_____(my)为什么 1、We haven't settled the question of whether it is necessary for him to study abroad.为什么这句是同位语从句而不是宾语从句,不是of后面跟的是宾语吗?2、(1)People in part of North China sleep on ______ they call "kang".(2)Th i was doing my homework while my mother (was cooking)为什么不填cooked i was doing my homework while my mother was cooking不是一个句子不能有两个动词吗?为什么两个was会同时出现? while my mother was cooking ,i ___ TV.A.was watching B.am watching C.watch D.watched While my mother was cooking,I was sleeping 这句话中While my mother was cooking有没有主语呢我的意思是如果不看后面那句 只看前面 while这个从句引导的就是个时间状语?所以前半句是没有主语的 I was doing my homework,my mother was cooking in the kitchenA While B When C AfterD Before 在句首填答案 保险丝熔断电流为什么是有效值?我的理解是：之所以用有效值,是电流产生热量达到一定保险丝才会熔断,而不是因为电流瞬间过大,熔断的原因是热量过大对吗 老是说曹操的儿子怎么了不起,其实就前面几个而已,后面的一堆废品,（25－6）/25=76%,根本不行啊.谁知道为什么?懂的说说 Every student should do their own homework.有一处错误,能帮我找出吗? Homework Homework,every student,every day,even every night,They all need think:Did I finish my homework?Different students have different thoughts about homework.According to a survey,parts of students all thought doing homework is necessary and usef 结冰了的电线还能传输电能吗? 电力机车怎样与电线传输电. Project 2010如何设置工期的单位“个工作日”为英文字母“d”