议论文600字

几个直升机上的词汇,4/rev vertical force4/ver in-plane hub forcesoft pitch linkactuation power reduced from 1.1hp to 0.2hproll and pitch moment at hubcollective and cyclic flap angleblade tip pitchblade pitch index angle 谁有人类捕杀鲸的故事?帮个忙,同学要,JJ们了! 请问黑匣子的英文怎么拼写就是飞机上用的那个"黑匣子" 英语短文——The Lion And The Mouse 速求!文章自己百度上查,每题都要!（）1.this lion was a ____ lion.a.bad b.kind c.small （）2.this mouse ___ this lion's life.a.didn't save b.saved c.killed （）3.the mouse gnawed the ropes of 飞机上的“黑匣子”用英文怎么说? 谁知道Long long ago ,there is a lion and a mouse全文 德语HAT中的A发长音还是短音?如题.学德语的老师告诉我是长音,an、ab、hat、man、das中的a都发长音,但是我听词典里的读音读的都十分短.究竟哪个对呢?还有德语中e的发音规则.正常应该是e后接 德语中的"im"是发长音还是短音? It's said that______ of the water around the world _______ polluted.A.two third;has.B.two thirds;haveC.two third;are.D.two thirds;is请简略叙述原因, The teacher said that oil__(float)on the water 半元音和元音分别指什么呢? I'll never forget the ten years ____ we both spent in the little village这里为什么填which啊?前面不是有个ten years吗?不是填when么? 一段24米长的铁丝可以焊接成一个长2.5米,宽1.5米,高( )米的长方体框架 i will love you after that monent 什么意思啊 半元音算元音还是辅音? Have you been to the new Sports Centre[ ]is just opened in town?A、where B、who C、which D、when我选是的A我觉得the new Sports Centre是个地方可是怎么是C、?where为什么要在后面从句主谓宾完整的情况下？which不要 23._________ different life today is from ...23._________ different life today is from _________ was fifty years ago!A.What a; what B.How; what C.What; what D.What a; how 半元音Y什么时候做元音,什么时候做辅音? 英语中共有48个音素,元音音素有什么,有多少个,辅音音素有什么,有多少个,半元音有多少个其中,元音字母组合和辅音字母组合都有什么,不要例词. Some people fear that ___air pollution may bring about changes in_____weather around the world.A./,the B.the,/ C.an,the D.the ,a some people fear that air pollution may bring about changes in the weather around the world.怎么翻 some people fear that ( the 不填）air pollution may bring about disaster请问这里为什么不能选the Some pepole fear that__air pollution may bring about changes in__weather around the world.空白处填Some pepole fear that__air pollution may bring about changes in__weather around the world.A: \ the B:the \ C:an the D:the a应该填什么 today is a c day ,i think that is going to rain c开头的一个词 选择：-------It is hot today,-----it?-------Yes,Let us go-----------.A.is swimming B.is not swimming C.is not swim是不是选B.为什么要否定的呢?------It is hot today,-----it?-----Yes,Let us go-----------.A.is swimming B.isn't swimming isn He decided to be a teacher when he was a child.对a teacher提问 我爱你我爱你 JE TAIME JE TAIME怎么样 求法文歌Je m'appelle Helene.中文翻译 Je`taime bien法语 Je`taime bien!(法语) je pense que je taime je taime 是喜欢你? Sept.16th,2004英语是怎么读的? 21.He is a teacher ______ of great respect.A.value B.worth C.worthwhile D.worthy