工厂专业作业承包

东南亚的大城市分布在什么地区 I took part in the b______ 100-metre race.这个空格填什么? -I heard Daming took part in the high jump yesterday -_____,and______.A.So he did；so did IB.so did he；so I did C.so he was；so was ID.so was he；so I was也要分析 正弦交流信号的三要素是哪三要素 second took race 100-metre the place in the pete连词成句 正弦量的三要素是什么 东南亚是指哪些地方 东南亚分布在哪里? 东南亚和西亚的位置特征和中心航道 一组三个频率 ,振幅 ,相位 的正弦电动势、电压、电流称为 交流电. 一个填空题. 空格为要填的空一组三个频率----- ,振幅 -----,相位---- 的正弦电动势、电压、电流称为 -----交流电. 已知正弦电流的初相位为60°,t=0时的瞬时值为8.66A.在t=1/300s时电流第一次下降为0,则期振幅是多少?i=Im*sin(wt+60°),当t=0时,i=Im*sin60°=8.66A,得出Im=10A.我怎么觉得答案不对呢?应该是i=Im*cos(wt+60°),这 The students taking part in the contest will listen to part of a song or a piece of music这是一道短文改错题，这一段的错误应该在哪里？请帮我找出来，然后写上正确答案， f(x)=ax-1,x2是定义域上的单调函数,则a的取值范围是最好写个大概思路 提交时卡在"Your application is being uploaded"时,怎么办? Which is the way to the bus station,please同义句 英语翻译英译中. This book___ published by the end of this year A.will be B.will C.is being D.will have been求讲解 is being done和will be done有什么区别?The English evening party ____ in the school hall next Saturday.A.is held B.is being held C.will be held D.has been held 求为什么 30分钟中之内英语题把1.His frist name is Tom.2.The natebook is on the table.3.My keys are in the drawer.4.That is my jacket.5.these are my grand parents.这几句话改成否定句,一般疑问句,肯定句,否定回答句. 1.Danny’s home is the second_______(far)to the school.2.I don't like this story .it's too （ ）A.dull B.duller C.the dullest D.dullest 谁能告诉我CELL MADE IN KOREA,FURTHER PROCESSED IN CHINA in further和in the further的区别? capitalism had developed a step further in China "further"在句里的词性?capitalism had developed a step further in China"further"在句里的词性? 九年级上册数学人教版实际问题与一元二次方程一车速度20m/s,遇紧急情况,停车后滑行25m.问：（1）刹车到停止共多少时间?（2）平均速度多少?（3）滑行15m所需多少时间? 几道英语题（加30分0The old man d____ was rather angry with the young man upstairsEdison took the boy to ____If you felt some () ,you'd better stop running.a.pain b.pains c.painful d.painesYou must always hide the knife ___ children.a.to b.fro i'm sorry i___it __yours.a.didn't know;was b.didn't know; is I didn't know I was cheating. can you tell me the way to the bus station?改为同义句请问你能告诉我怎么去汽车站吗 几何证明题(七年级)M 形 It's a pleasure.it's my pleasure.with pleasure.My pleasure.的区别 lWere you born in Shanghai?---No,——untilI was 3.How long have you been inWere you born in Shanghai?---No,——untilI was How long have you been in Beijing？Let me see.____since 1998如何补全对话 My other half in which,Have been born yet appear!