是完全单位向量组怎么求单位向量

due to the ignorance in this field in the prior training.ignorance可以换成什么词? his sister (did some basic medical training.)对括号内部分提问.（ ）（ ）his sister（ 带yang的四字成语,跟甜言蜜语搭配或是跟带mi的四字成语. 含有yang的所有成语,褒义的 只要词其他不要如题,是拼音yang的就可以 不要句首或者句尾 不特指只要包含yang的褒义成语就OK our teacher said he____(be)a teacher for ten years in one's field in one's field using the internet . 句型转换 She was injured so seriously that she had to have her legs cut off.(改为倒装句) he wants to tell him that the recorder belongto him. ( ) are thier classes ( ) ( ) really interesting? Perhaps the best example of universally understood body language is the smile.本句的understood是动词怎么能做介词of的宾语呢? our Art classes usually are interesting.怎么改这是病句，我问怎么改，不是翻译，但还要感谢您的回答 The best makeup is Smile.The best jewelry is Modesty.The best clothing is Confidence.用中文说 有关体育 fit is the best 的英语作文 our climate is interesting （划线部分提问） 划线的是interesting,什么 is your 什么？按这个。 field of deeley 的汉语意思是什么 hope and turst is the tail ofa lizard whhope and turst is the tail ofa lizard which can repoduce evena fter being cut off帮我翻译一下, but why do you go there?A;but why do you go there?B;many things ;green trees,clean air,and there are few people. 根据句意及汉语提示,完成下列句子My aunt's son usually （ ）（ ）（ ）去睡觉 at 8:30in the evening 2.After dinner,Mei Ling always watche TV for （ ）（ ）（ ）一会儿3.c depth of field怎么解释!景深 视野深度 study the different kinds of birds为什么different前要加the? there are many different kinds of birds living in zhalong (pretected)area为什么PROTECT用过去式 concern 是可数名词吗 写一篇题为Show More Concern For Others的英语作文同上尽量原创的 I want to buy many different kinds of fruit.fruit要加S吗? He has great concern for others 六年级下册练习六 口语交际,与同学对话：你的童年快乐吗?,要用上四种不同的提示语,例如：提示语在中,提示语在前,提示语在后,没有提示语.各位大哥大姐,200字就行!今晚就要!九点之前就要! 安然无恙 yang开头的成语接龙 50个 he studeies very hard and always gets good r_____inexams He has had a toothache.He must be at the__(dentist)at the moment the whole country showed great concern for the people in need这里的for是不是要改为to 刀山火海------成语配对