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游乐场的门票原来每张60元,十一期间九折优惠,刘老师一家三口去游乐场玩,购买门票一共能省多少元? 某校有13名教师带领145名学生去游乐场玩,买哪种票比较合适至少要用多少钱?成人票32元1张学生票13元1张团体票17元1张（至少50人） 游乐场的门票每张原价30元节日期间每张的售价是原价的80%李老师一家三口去游乐场玩购买门票一共可以节省多少元? 某生物体细胞含有42条染色体,在减数第一次分裂前期,细胞内含有的染色单体、 染色体和DNA分子数依次是 某生物的体细胞含有42条染色体,在减数第一次分裂四分体时期,细胞内含有的染色单体、染色体和DNA分子数依 what have you been up to lately? i ate an ice cream yesterday变一般疑问句和否定 We ate too much meat yesterday.改为疑问句 关于exciting,excited的选择题Don't play with them,my child.they are dangerous.they are ______ ,i like them.A excitingB excited She said her husband ___ not in.A.is B.was答案上选B,不知为什么不选A ---It’s thirty years since we last met.---But I still remember the story,believe it or not,______ we got lost on a rainy night.A.which B.that C.what D.when 为什么选that? ( )空气 AABB式的词语怎样的空气，括号内 加 AABB 式词语 剪纸的历史? Before graduating from Xi’an Jiaotong Unviersity she got to a point in her life__ she had to decide whether to continue to get her further education or to get a job. what whic where what she showed her------- (excite) by waving her hands 填AABB式词语为数不多 （ ）草木长地好 （ ）光明而正大 （ ）事物种类多 （ ） 填AABB式词（ ）的行人 （ ）的行人（ ）的行人 ( )地飞起来 It is about ten years I met you lastIt is about ten years I met you last A since B for C when D as It's about ten years since I ____ in Australia.为什么用have been.一般我们初中常见的都是 现在完成时 + since + 过去的某个时间点...所以不是很明白这句话,如果用arrived 为啥不行.或者具体说一下since的用 Mr Wu,how do I ( ) 15,858 and may I ( ) Neil?A.say;speak B.say;ask C.tell;speak to D.ask;say 填AABB的词语窗外的小雨（ ）窗外的小雨（ ）山间的小路（ ）街上的行人（ ）街上的行人（ ）重复的括号不填一样的词语 It is 30 years since we last met.last 做什么成分 ,它好像是个形容词吧?为什么可以修饰动词meet It's my p to have dinner with you.P开头的! AABB型词语（至少填3个） Sorry!I should not hurt you!哪位帮我翻译下,急 The girl is very thirsty .Would you ()her some (),please?如题 ( )1.The boy is very thirsty.Would you ____him some _____,please?答案填在题前面的格子里. 1.--- It's many years since I saw you last,I ___ you at all.--- I wouldn't have ,either ,if someone ___ you by the name.(A)A.didn’t recognize ; hadn’t called B.didn’t recognize ; didn’t call C.haven’t recognized ; didn’t call D.recognized It____ten years since I saw him last time.A has B was C had been D is It is three years ( ) we saw each other last year.括号中应填since.有学生问为何不填after. 闪电与打雷怎么来啊?为什么这个世界会有闪电与打雷啊?闪电是怎么形成?打雷又是怎么形成? Sandy and Mandy are twin girls .they come from taiwan.they are 7 years now,They birthdays are on July 31st.People them very much because they are so cute.Sandy and Mandy usually wear the same clothes and play together.They both like pink.They both li