已知二端口网路在关联参考方向下的电压和电流为u(t)=sin(90-t)+cos(3t-60)Vi(

This radio is ______of the three A.cheap B.cheaper C.cheapest D.the cheapest 享受孤单英文是什么意思? 音标中浊辅音j怎么读? this pen is 5 yuan than pen is 55 yuan 合为一句this pen is ——— ——— than that one 怎么判断定语从句? 定语从句的判断方法是? 用括号里的单词来翻译成英文；在那座上上有一座高达三千多米的庙宇.（temple；altitude） 定语从句是什么?结构是什么? please note the drawing we need is the attached 翻译下 Will you please give me the note to him如何翻译 ( )He ofter _______ me about his school.A.talk B.talk to C.talks to D.talk 写出正确答案为什么对不正确的答案为什么不对 The whole n—— talks about it.填单词急 Many other new techniques are now available that enable more research ___(do) in the test tube.请问空里应该填什么 还有这句话的意思求详细解答 我是初学者 非常谢谢 Research indicates that the influence of factors such as technology, demographics and lifestylepatterns will dramatically alter the tourism industry in the new Millennium (Goeldner, 1992). Socio-demographic changes and a higher spending power have al current research indicates that conservationist norms can not be equated with .current research indicates that conservationist norms can not be equated with particular identities such as "women" or "the indigenous" OSI参考模型是一种计算机网络互联标准么? 请翻译：DUE TO OLYMPICS EXPECT DELAY IN PARCELS DELIVERY.please plan your orders in advance 翻译Delay is the antidote for anger. there was one delay after another翻译· 费城故事简介. 求费城故事观后感 Myth丶Nice什么意思 myth什么意思 myth的意思 myth 什么意思? Must l finish my homework now?回答一定是No,you needn’t吗?难道不可以是No,you mustn't吗? ____(must)____(finish)my homework now. 单项选择 ----Must I finish my homework now ----No,单项选择----Must I finish my homework now ----No,you _______.But you ______finish it after supper.A.needn't,must.B.mustn't,must C.needn't,need 生菜三明治用英语怎么说三个空 求The submarine的modern inventions歌词,若能带上翻译更好~ Can you go camping with us?A No ,I can't B No,I'd love to C Sorry ,I can;t .I have to help my father at home D yes,I have to help my father at home. A还是C啊? don't,us,with,go 连词成句,