青岛版八年级暑假生活指导答案(2)
∠MFN=∠DAB=90=∠B FM=AD=AB
在四边形BCMN,ECMO,,∠C∠NMC公共角
所以其他两个角相加180
得∠AEC=∠MNB 全等 ∴相等
(2)证明:∵∠A=90,AB=AC∴∠ABC=70
∵AE=BE DE⊥AB ∴BD=AD≠0.5AC
∴BD≠DC ∴。。。。。。。。。
P31 双击导航 一、1、略
2、√20
二、C C B
三、过程略 得1
2(1)过程略 得2X+8
(2)略(代A求B)
3、略
4、(1)a=15 b=0.16
(2)20÷50×360°=144°
(3)略
5、证明:AB=AC,∠DCA=∠B=60,∠BAE=∠CAF
∴全等 BE=CF
P34能力挑战1、2、AC
3、设步行速度X,骑车3X
0.5:X+1:3=(0.5+2×3):3X
X=5 3X=15 答:。。。。。。
4.过程略 化简得1:(a+b)=1:(a-1)
代a=2得1
5、(1)略【证CFB、BEA全等(还是要依靠四边形内角如P29八、(1))
(2)略(提示:做HN⊥ND,EM⊥CD证全等三角形
(3)略
【英语答案】
P37 生活英语A Park Mcdonald ? Wet Paint
B.Just do it (Nike美国耐克运动鞋
C.Robust 健壮的
Safeguard 保护者
Nice 美好的
Incline 喜爱
Raid 搜捕。
Giant 巨人
Younger更年轻的 Nike 胜利女神 Legend 传说
Lux 1米处接受光照强度
Rejoice 欣喜Tide 潮流 D.Caution! Slippery !
Don't harm the flowers and trees
Visitors Please Register
Do not trample on the lawn
Close the door behind you
No littering
.我可以刷卡吗?
may i pay by credit card?
E.略
探究乐园A、不入虎穴焉得虎子 杀鸡取卵
1、if 条件状语 前后一致,前后对应;主句将来时时,从句应用一般现在时代替将来时或主句情态动词的句型
2、If give him an inch,he will take a mile.
If you earlyto bed and early to rise,you’ll be healthy weathyand wise.
If you help yourself,god will help you.
If you man does not act,heaven will never help him.
If there are no pain,there will be no gain.
3、人善被人欺,马善被人骑
If you make yourself an ass, don't complain if people ride you.
1. 时间 until while
2. 地点
他们是好人,无论走到哪里都受欢迎
你应该把书放在你找得到的地方
That’s where the real danger lies.
3.because 4.so that 不定短语 5.so……that
so so so so such so so such such
6、写句子 略
because whild while such so that so when
P41 B.took ran to have make are crying hang
1. take 略
took down took take pohtos took a train took on take over
2、have get…
3/略
4、decided plan mind miss help begin
Like doing一直喜欢 like to do偶尔喜欢
C.a、1、so lucky太幸运了
Whatever you do,I’ll belive you.无论你做什么,我都会相信你
2、略 3、Let’s go
b.Promise me now,Rose ,and never let go of that promise
No matter how hard he may try,he will not scceed.
略
2、that 略 陈述句和注意时态
P44 A 1、May I have one
2、What a pity
3、What about some sugar 略
B.指:根本不可能
C 1、孩子们说了-警官
2、童言无忌