2018年有哪些长笛比赛

that does stuff that our house won't do?这句话语序是什么?And if we're gonna cheat,shouldn't it be with like a hot,younger house,that does stuff that our house won't do?最后一句话语序是什么? 举一隅而不知三隅反的举是什么意思?一整句的意思又是什么？ 举一而反三,闻一而知十,是谁的作品 N2 中 氮元素显几价? 什么情况下送人郁金香花? All the students were very excised.对 very excised做特殊疑问 I like the place____ it's not cold in winter.空格处到底是填where还是which?主要是后面的那个“it‘s”让我很为难…… 1、the boy was l____ and I hhelped him find his parents.2、we are s____ they can play in this heat.we can't believe it.3、please r____　to　bring　your　homework　to　school．4、that g____ of children are waiting for a bus.5、he wants to I like the place___I stayed at in Hongkong.A.where B.in which C.that The election has ended 为什么用has 民心所向 奥巴马 BY THE PEOPLE THE ELECTION OF BARACK OBAMA怎么样 Regardless of who wins the election 这句话是什么从句 为什么加of of换成别的可以吗 you well not get hurt 怎么念 you lill not get 若|a b|=-(a +b),下列结论正确的是A.a+b＜0 B.a+b≤0 C.a+b=0 D.a+b＞0 in the train staion,a man was about to ___when he suddenly found his ticket missingA check in.B get to.C arrive in.D stand in.to learn English better,we should ___the habit of reading every day.A .make.B have.C stay D form 若a＞b＞c,则下列结论中正确的是：（A）a+b＞b+c＞c+a（B）a+b＞c+a＞b+c（C）b+c＞c+a＞a+b（D）c+a＞a+b＞b+c 汽车在出厂前要行测试,某次测试中,先让汽车在模拟山路上以8m/s的速度行驶500s,紧接着在模拟山路上以20m/s的速度行驶100s.（1）计算该汽车在模拟山路上行驶的路程?（2）计算汽车在这次整个 初二实数计算题,越多越好,要带根号的, 让子弹飞 最后一段的旗上为什么把九改成十?这句话写的什么啊? “上三旗”和“下三旗”是什么 she must feel deeply hurt by his cruel A performanceB signsC remarksD caution did you find the missing couple in the mountain yesterday?--no ,but we( )to getin touch withthem ever since.A.have tried b.have been trying 为什么选B B的时态是什么?A不对么? (有图)矩形ABCD中,AB=6,BC=2√3,沿对角线BD将三角形ABD向上折起矩形ABCD中,AB=6,BC=2√3,沿对角线BD将三角形ABD向上折起,使点A移至点P,且P在平面BDC的射影O在DC上1.求二面角P-DB-C的正弦值；2.求点C到平 矩形纸片ABCD中,AB=3,BC=4,沿对角线BD折叠(使三角形ABD和三角形EBD在同一平面内)求角形ABD和三角形EBD重求角形ABD和三角形EBD重叠部分面积 【高中数学】矩形ABCD中AB=3,BC=4,沿对角线BD将△ABD折起...矩形ABCD中AB=3,BC=4,沿对角线BD将△ABD折起,使A点在平面BCD内的射影落在BC边上,若二面角C-AB-D的平面角大小的正弦值是.. 已知矩形ABCD中,AB=10,BC=6,将矩形沿对角线BD把三角形ABD折起,使A移到A1点,且A1在平面BCD上的射影O恰好在CD上.求证：（1）平面A1BC垂直平面A1BD（2）求二面角A1-BD-C的平面角的正弦值 如图在等腰梯形ABCD中,AB∥CD,AC、BD是对角线,将三角形ABD沿AB向下翻折到三角形ABE的位置,试判断四边形AEBC的形状,并证明你的结论. excuse me.could you tell me ______find the bathroom?A.how to B.where to C.what to D.when to 求解析 四个一样的长方形,两个一样的正方形,组成一个长方体,表面积226平方分米,求长宽高,容积尽量大,本人真心不会 如果一个正方形的四个顶点都在三角形的三边上,称该正方形是该三角形的内接正方形.若锐角△ABC的面积为S,求其内接正方形面积的最大值,并求此时正方形的边长没有图， a和b是两条异面直线,下列结论正确的个数是( )(1) 过不在a、b上的任一点,可作一个平面与a、b都平行.(2) 过不在a、b上的任一点,可作一条直线与a、b都相交.(3) 过a可以并且只可以作一个平面与b