父亲对儿子说：“不论发生什么事，我总会和你在一起。”

1已知矩形的一边长等于对角线的一半,则两对角线相交所成的锐角是2梯形的面积为80cm平方,高为10cm,则梯形的中位线长为3直角梯形的两底边分别为3和7,斜腰与底边的夹角为45°,那么高为4任一 co|or,subject,weather,season写4个一样意思的单词 英语翻译:不吃早餐不是减肥的好方法 两个空 is a not a good way to lose weight. 一个矩形的对角线长等于长边长的一半与短边长的和,则短边长与长边长的比为?A 3分之2 B 4分支3 C D 3+根号10 Though he was angry at the naughty boy's rudness,he ____ himself and talked to him with patience.A.persuaded B.calmed选哪个,为什么? 英语翻译weight 49% reduced怎么翻译呢,是减少到49％呢,还是减少了49％.并且减少到49％呢,还是减少了49％,都怎么用英语说呢.那reduced by 49% 是减少到49％呢，还是减少了49％ 在矩形abcd中,对角线ac=26.ab=24,则△bcd的周长是? 矩形ABCD ,对角线AC,BD交于O点,AF垂直DB于F点,角BCD的平分线CE交FA的延长线于E点,求证AC等于AE. 设ABCD是矩形,沿对角线DB将△BCD折起1,设ABCD是矩形,沿对角线DB将△BCD折起,使C在平面DAB的射影E恰好在AB边上,(1)求证:平面ABC⊥平面ACD,平面DBC⊥平面ACD(2)如果AD:AB=1:√3,试求二面角C-AD-B的正弦值 what a heavy fog加不加a 对 heavy提问 是用what 还是how It's ___(需要) for us to drink 2L of water every day. After studying in America for seven years, Lily’s brother ______ his job as a doctor in Japan.A. took up B. took over C. took in D. took on For those who work with their brains most of the day,the practice of sport is （especially ）usefu括号中的为什么不改成specially 星空之守望者用英文怎么说 守望者《watchman》里面的一句英语台词.曼哈顿博士把女主带到火星上之后,发现笑匠是她的亲身父亲,说了句“He was your father.”请问,为什么这里用was,而不是is. Have hated you to the utmost degree 1011514:research on the effects of home internet use on children's academic performance is virtually nonexistent.想知道的语言点：1—children's academic performance：怎么翻译?2—本句怎么翻译?1_research on the effects of home inter Bill is a good boy.(改为感叹句) 请问“理性选择理论”（rational-choice theory)是什么请问它的具体内容和主要观点. 你好,我想求助你写一副春联是这样的,我是一名转业军人,刚回到家,想给小区的单元门上都帖上春联,可是笔墨准备好了,又不知道写什么好了,请您帮助我!我们是新四合社区,我们是侯庄,一家姓 从汉到元中央集权的发展 汉 元 明清对中外起促进作用是? 汉至元中央集权制度的发展与变化 列举从汉至元历朝加强中央集权措施 歪儿 第6段的作用还有一个,用自己的话说说为什么''大家并没有商定什么,却不约而同,齐心协力地等待着这位小伙伴了 ''. 请问“TEN POUNDS”是什么意思?关于钱币上的问题, practice后面跟in还是of?某项内容的实践,如制度建设实践、科学实践、管理实践等,practice后面跟in还是of呢?多谢 camera and film practice后面是OF 还是FOR? 英语填空题答案I’m（ ）English at a primary school inGuangzhou,China.My pupil Zhang Xiaoling（ ）to be your pen friend.Xiaoling is a very nise girl.She's good at（ ）the piano（ ）you.（ ）you like to be her pen friend? 英语填空题求答案!