五年級上冊寒假作業(yè)答案(4)
動腦筋:
答:A大.
英語：
作文：
There are four seasons.They are spring,summer,autumn and winter.The weather in spring is warm.the plants grow and grow.Summer is pretty hot.I can swim and eat ice-creams.Autumn is cool.The leaves fall.I can fly kites.Winter is cold.I make snowman.I like Winter.
第九天:
語文:
1.選出沒有錯別字的一組成語抄寫在橫線上.
(1)千鈞一發(fā),應(yīng)接不瑕,恍然大悟.
2.用正確的符號修改下列病句,注意保持句子的原意.
(1)不知哪來的吵鬧聲,基本上把孩子們?nèi)×?
(2)我們班有三分之二的同學參加了數(shù)學邀請賽.
(3)同學們是第一次上網(wǎng),不管他們怎么琢磨,但是都沒有解決問題.
數(shù)學:
1.解下列方程.
62.5-x=38.7 8x-22.8=1.2
解:x=62.5-38.7 解:8x=22.8+1.2
x=23.8 8x=24
x=3
16x-5x=14.3 350÷x=840÷12
解：11x=14.3 解：350÷x=70
x=1.3 x=350÷70
x=5
2.某社區(qū)服務(wù)點從冷飲批發(fā)部買回2箱綠豆棒冰(每箱25支,共28元)、3箱水果棒冰(每箱30支，共22.5元).零售價:綠豆棒冰每支1.5元,水果棒冰每支1元.如果全部賣完,可以賺多少錢?
25×1.5+30×1 67.5-(2.8+22.5)
=37.5+30 =67.5-50.5
=67.5(元) =17(元) 答:可以賺17元.
3.如右圖,已知三角形ABC是36平方分米,AD=DC,AE=EF=FB,圖中陰影部分的面積是多少?
36÷2÷3
=18÷3
=6(dm2) 答:圖中陰影部分的面積是6dm2.
英語:
Rewrite the sentences.按要求改寫下列句子(每格限填一詞).
1.Wendy has got a lot of money.(對畫線部分提問)
How much moeny has Wendy got?
2.There are many old uniforms in the room.(改為單數(shù)形式)
There is an old uniform in the room.
3.Mrs Wang goes to the Aquarium on foot.(保持句意不變)
Mrs Wang walks to the Aquarium.
4.Mick,can you swim and dive in that river?(否定回答)
NO,I can't swim and dive in it.It's too dangerous.
5.The butterfly lays eggs on a leaf.(對畫線部分提問)
Where is the butterfly lay eggs?
6.The ball.sia fifty yuan.(對畫線部分提問)
How much is the ball?
7.Alice wants some chicken.(一般疑問句)
Does Alice want amy chicken?
8.Kitty is happy.(選擇問句)
Is Kitty happy or sad?
9.Are the children singing?(用所給詞改句子)
Can the children sing?
10.I fly to Beijing every year.(改寫句子,意思不變)
I go to Beijing by aeroplane.
第十天:
收獲園:(略)
數(shù)學:
1.填空. ...
(1)1.2028028028028……可以寫成(1.2018). . .
(2)將0.3,0.303,0.303,0.333按從大到小的順序排列,排在第三位的是(0.303).
(3)保留三為小數(shù),表示精確到(千分位).
2.列方程,并求方程的解.
(1)一個數(shù)加0.5的3倍等于21,求這個數(shù).
解:設(shè)這個數(shù)是x.
x+0.5×3=21
x+1.5=21
x=21-1.5
x=19.5
(2)一個數(shù)的6倍比它的3倍多1.8,求這個數(shù).
解:設(shè)這個數(shù)是x.
6x=3x+1.8
6x-3x=1.8
3x=1.8
x=0.6
(3)一個數(shù)的36倍等于7.5與12的積,求這個數(shù).
解:設(shè)這個數(shù)是x.
36x=7.5×12
36x=90
x=2.5
畫一畫:(略)
動腦筋:
甲乙兩個工廠招聘技師.甲廠一年工資15000元,以后每年增加工資2000元;乙廠半年工資7000元,以后每半年增加工資600元;兩個工廠工作環(huán)境和福利待遇不相上下.則哪個廠應(yīng)聘工資收入比較高?
甲廠一年的工資:15000元
乙廠一年的工資:14600元 答:甲廠應(yīng)聘工資收入比較高.
英語:
1.English Writing.英語小練筆
This is my classmate.She is _____.She goes to school by bike.She's hobby is singing.She doesn't like swimming but she likes dancing.She's my good friend.
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