中国异闻

将一个底面积为10平方米,高3分米的木圆柱,削成一个最大的圆锥体,要削去多少立方分米木料? 中国自1840年鸦片战争以来,共需要赔款多少?实际赔款多少? 吸尘器真空度是什么意思 已知线段OA⊥OB,C为OB上中点,D为AO上一点,连AC、BD交于P点.(1)如图a,当OA=OB且D为AO中点时,已知线段OA⊥OB,C为OB上中点,D为AO上一点,连AC、BD交于P点.(1)如图a,当OA=OB且D为AO中点时,求AP/PC的值（2）如图b 在△OAB,△OCD中,OA=OB,OC=OD,∠AOB=∠COD=90°,M为BC的中点 （1）如图1,若C在OA中,且AO=2CO,连接OM在△OAB,△OCD中,OA=OB,OC=OD,∠AOB=∠COD=90°,M为BC的中点 （1）如图1,若C在OA中,且AO=2CO,连接OM交CD于点E,求CE/ED的 如图,已知∠AOB=30°,M为OB上一点,且OM=8cm,以M为圆心,以r为半径的圆与直线OA有怎如图,已知∠AOB=30°,M为OB上一点,且OM=6cm,以M为圆心,以r为半径的圆与直线OA有怎样的位置关系?为什么?①r=2cm ②r=3cm He ordered his staff____(order)100 books and put them in order of size Some students go to school by boat,but（）go by bus.应该填什么 Some students get to school by boat get不能用go吗 (同义句)some students go to school by bike every day(同义句) Some students_______ _______ school every day 历史课本中《南京条约》规定赔款2100万银元相当于多少两白银?请说明理由 南京条约和马关条约哪个赔款多?银元贵还是白银贵? 南京条约赔款2100万银元等于多少白银[人民版] 已知角AOB=30度,M为OB上一点,且OM=5厘米,以M为圆心,以4厘米为半径的圆与直线OA的关系 白菜花怎么养春节的时候我和男友做饭,把切剩下的白菜根放在了一个小杯子里,结果半个月的时间枝繁叶茂还开了美丽的白菜花,还有类似丁香的香味,真是无心插柳柳成荫.我想把这白菜花一 -Do you often go to school alone?-No,I don't .I always go to school ____ some students.A.with;other B.with;else C.and;other D.and;else----Could you_____ me something about your school life?----Of course.It's_________.A.tell; wonderfulB.say;wonderfulc I’d like to put an order in for 1,000 mobile phones.put an order in for是固定结构吗?put an order in for怎么用? 白菜花的特点 purpose of students___come to school is to study.The purpose of students___come to school is to study.A.who B.whose C.which D.where put sth.in The aim of students who come to school is to study．But to study requires a right way,or you waste either the time or the money．The following are the ways of studying．The best time for reading is morning,because in the morning,the air is fresh a 词组 put in order 的意思是什么? Students come from around the world (study.to study) music at this school括号里该选哪一个? put thesentences in right order put these in order是什么意思 想问一下这颗是什么树 我想问一下大家这是什么树. 啥是主格?啥是宾格?啥是物主代词? 主格——宾格——物主代词I--( )--( )--( ) 图中长方形的面积是32平方厘米,A、B是所在边的中点,求阴影部分面积.32-32/4-32/4-32/8=12平方厘米为什 10Mbit是等于多少bit?是1024还是1000? 10240KB等于多少BIT同上.