人在两大山中喊一声，2秒听到第一次回声，又过了2秒听到了第2次回声，则两座大山相距多少米？（温度为1

小兰的身高是多少? 谁有一些比较激励人坚强的经典的话不要太老土的 赞扬女人的话要经典的. i'll will fiy to chengdu tomorrow这句话的同义句是什么 You________ (fiy) to Beijing tomorrow,are you 我用了“will fiy 为什么? i m still in hong kong and will go tomorrow 大家帮忙看看口语这样讲地道吗:I will be on leave tomorrow.I m go to tomb sweeping in Hong Kong. 我前3次的数学测验的平均成绩是89分,如果算上第四次,我数学测验的平均成绩就是90分了.你知道小刚第四次数学测验的成绩吗? 2点29分用英语怎么说 二十九用英语怎么说 1.29用英语怎么说 Who will you have ________ with us tomorrow?(go) Who will you have go with us tomorrow?此话何意 The girls will have a party tomorrow afternoon的问句是什么? 植物叶子的特征桂花叶 君子兰叶 豌豆叶 大豆叶写出以上四片叶子具有的相同特征 （至少写2个）写出以上四片叶子具有不相同的特征是 （至少写4个） 求用英文说一些鼓励自己的话~ 而且她们喜欢听赞美她们的话用英语怎么说用英语写哦! 英文鼓励别人的话如题..要多点那种对家人的 you will enjoy yourselfs is you go to the party with us tomorrow改为同义句 -I haven't decided if will go to the party tomorrow.-If you __,neither__.A.don't; will I.B.won't; will I.C.don't; do I.D.won't; do I. Will you go to the dinner party?I won't go until Tom is invited.这里为什么要用is invited? 1.-----Will you go to Tom’s birthday party tomorrow?------No _______invited do.A.if B.until C.when D.even though ---Will you go to the party?---Of cource I will if ( )A:having invited B:invited C:I was invited D:I will be invited别的为什么不对? 四个同学正好一个比一个大一岁 他们的年龄相乘的积是7920 这四个同学的年龄分别是几岁 有四个小朋友,他们的年龄恰好是一个比一个大一岁,他们的年龄的积是5040,求最小的年龄是几岁? 有四个小朋友,他们的年龄一个比一个大一岁,他们年龄的积是5040,求最小的是几? Have you ever been to DisneylandMost of us have probaby heard of mickey Mouse ,Donald Duck,and Many other famous Disney characters.pernaps we have even seen then in movies.But have you ever been to Disneyland?In fact,there are now several different D They have never been to hong kong改为肯定句 求赞美各种年龄的女人的话? -You have never been to Hong Kong,have you?-( ) How I wish to visit Hong Kong!A.yes,i have B.no,i have not 为什么？ 英文单项选择：Have you ever been to Disneyland?No,_____.I hopo I can go there next year.A:alwaysB:sometimesC:neverD:often 小芳在A、B两家超市发现她看中的随身听的单价相同,书包单价也相同.随身听和书包之和是452元,且随身听的单价比书包标价的4倍少8元.（1）小芳看中的随身听和书包的标价各是多少元?（2）