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D of E
教育的单词怎么样?
答:
e
cation 中学教育司 Department
of
Secondary
E
cation 初等教育 general ecation 职业技术教育 vocational and technical ecation 成人教育 alt ecation 民族教育 ecation for nationalities 教育局 bureau of ecation 社会主义教育(运动) the socialist ecation (movement) 家庭教育 family e...
如图,在直角坐标系中,平行四边形AOC
D
的边OC在X轴上,边AD与与Y轴交与...
答:
∵OF=S,∴FD=10-S,AE=t,DE=12-t 又∵∠OEF=∠EDF.∴∠AEO+∠FED=180°-∠OEF,∠DEF+∠EFD=180°-∠EDF.∴∠AEO=∠EFD,∠A=∠EDF,∴△AEO∽△DFE,∴AEDF=AODE.∴t10-s=1012-t,100-10s=12t-t2,∴s=110t2-65t+10(0<t<12);(3分)(3)∠
OFE
>∠FDE=∠OEF...
...平行四边形ABCD的顶点A的坐标为(-2,0),点
D
的坐标为(0,2√3_百度...
答:
(2)①证明:∵A(-2,0),
D
(0,2 3),且E是AD的中点,∴E(-1,3),AE=DE=2,OE=OA=2,∴△OAE是等边三角形,则∠AOE=∠AEO=60°;根据轴对称的性质知:∠AOE=∠EOF′,故∠EOF′=∠AEO=60°,即OF′∥AE,∴∠OF′E=∠DEH;∵∠OF′E=∠
OFE
=∠DGE,∴∠DGE=∠DEH...
r
e
d
可以组成什么单词
答:
red:红色的。
D
.R.
E
.:Doctor
of
Religious Education 宗教教育博士的缩写。EDR:皮肤电反应。erd:emergency return device 【空】紧急返回装置的缩写。der.:缩写词 1.=derivation 2.=derivative 3.=derived der还有网络释义女儿。
吸血鬼日记 第四季第8集最后
E
跟
D
对话那段对白是什么?
答:
D
:Everything has changed,Elena.
E
:Ok,fine.Yeah,I mean,I've changed.So have you,Damon.And I'm happy,just like you were yesterday morning before we knew about any
of
this.D:You konw what would make me happy?To know this entire time that I've been completely in love with ...
...CD为弦,且CD垂直AB垂足为
E
,交圆O于点C和点
D
,
OF
垂直AC于点F,∠D...
答:
连接OC ∵AB为⊙O的直径∴∠ACB=90°∵∠
D
=30°∴∠A=30°,∠AOC=120°∴AB=2BC,AC=√3BC∵BC=1∴AB=2,AC=√3,AO=1∵
OF
⊥AC∴OF=1/2∴扇形AOC=π×1²×120°/360°=π/3 S△AOC=√3/4∴阴影面积=π/3-√3/4=(4π-3√3)/12 ...
...
e
-mail ___ Helen ___ me. A.to;from B.from;to C.from;
of
D
...
答:
为你解答。(B)Please read this
e
-mail (from) Helen (to) me.解释:from表示寄信人, to表示收信人。(B)Lucy (wants) to pick the apples (on) the tree.解释:果实在树上,用on the tree。动物或人在树上,用in。(A)There are lots
of
things (to do) at school.解释:there ...
如图,点A和点B分别在x轴y轴的正半轴上,AD平分∠BAO交y轴于
D
,OC⊥...
答:
0,8);(2)∵EF∥AB;OC⊥AB.∴OE⊥EF,则EF=√(
OF
²-OE²)=4.作EM垂直OF于M,由面积关系可知:EF*OE=OF*EM,4*3=5*EM, EM=12/5.则:CE=HE=OM=√(OE²-EM²)=9/5.所以,S⊿ACE/S⊿OAE=CE/EO=(9/5)/3=3/5.(同高三角形的面积比等底边之比)...
国外学位的分类和英文缩写及全拼
答:
国外学位有三种:学士、硕士和博士。1、学士学位:BA,全称Bachelor degree。常见有:(1)工学士学位:B.
E
.,全称Bachelor Degree
of
Engineering (2)理学士学位:B.S.,全称Bachelor Degree of Science (3)文学士:B.A.,全称Bachelor Degree of Art (4)教育学学士:BEd,全称Bachelor of ...
title
of
degree是指本科/研究生/博士.还是指专业?
答:
问的是学位状态。title
of
degree/学位的程度,是指学士/硕士/博士 1、bachelor(学士)分为:BSc :bachelor of science(理科);B.A :bachelor of Art(文科)BSc(Eng): bachelor of science(engineering)工科 2、master(硕士)分为:MSc :master of science(理科);M.A :master of art...
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