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88888\')AND(\'63\'LIKE\'4C
道的古今意是什么 古今贯()什么啊 TED比较精彩的演讲有哪些 古今贯通的贯什么意思拜托了各位 谢谢 已知两点A(2,2,)B(2,1),O为坐标原点,|向量OA-t向量OB|≤2√5/5,则实数t的取值范围 已知O为坐标原点OA向量=(-3,1),OB向量=(0,5),AC向量‖OB向量,BC向量⊥AB向量,则C点的坐标为 已知向量OA=(1,1),向量OB=(1,a),O为坐标原点,当向量OA与向量OB的夹角在【0,π/6】内变动时,实数a的取值范围 八年级生物复习题 They come into the room()a window.(填介词) 谁有八年级上的生物复习题 有没有八下生物总复习题?要全面一点的! They spent the whole night______ in the room waiting for the thief to come.A.having locked B.locking C.locked D.to be locked求教,不懂 什么叫图形的旋转 一道英语选词填空题单词:sleep relax①Be quiet.The baby_______(is sleeping )②This lion is very lazy.It______20 hours every day (relaxes)我是想问如果①填 relax ②填sleep 为什么不行?请说明一下理由 relax 和slee.p 一道英文选词填空题A chemical reaction involves the change of chemicals called______ to new chemicals called ________.可选的词有:products reactants energy combustion Thermal decomposition light 正数列a0,a1,a2.an...满足√ana(n-2)—√a(n-1)a(n-2)=2a(n-1) (n≥2) ,且a0=a1=1,求通项. 英语选词填空题Whenever the sun __________and the blue sky came up,my father and I used to take a walk near my house.填啥?rise的变形?There is a lot you can do on your own to make the earth a____(safe)cleaner place.又咋填? He was seen to have entered the room.啥意识 He was seen to cross the street when a car bumped into him.中的to cross是什么用法?改成crossing对么 the boy entered the room ____ 选not seen 还是without being seen The missing boy was last seen ____ near the river.A,to play B,to be playing C,play D,playing 为什么不选A,这里被动语态应该加to啊?选什么?为什么? The boy was seen to run by me yesterday为什么加to 求help sb with sth的例句(要好的) 中国抗战胜利的意义 分国内的 国际的 He was let entrance the room这句话对吗为什么用entrance ask sb for help for help 在这个句中充当什么成分for help 在这个句中充当什么成分 一道英语选词填空题, 微信通讯录中最下面的#组代表什么意思?微信通讯录中把朋友按照A组、B组、C组、D组、.等等字母开头分类,最下面的#组里的朋友代表什么意思? ask sb for help的近义词组 运用所给句型翻译下列句子:(1)需要时尽管找我帮忙(ask sb. for help)(2)你需要为新学年制定一个细致的计划(make a plan for...) (3)我每天以制作单词卡片的方式学英语单词(do sth. by doing...) 如果一个男生保留了你写给他的每一封信能说明什么; 已知a=5,b=-0.2,n为自然数,求a的(2n+2)次幂×b的2n次幂×b的3次幂求详细~