unit1—6練習人教新目標版 一、片語歸納 1.用英語---------- 2.穿藍色衣服的男孩----------- 3.電話號碼------------ 4.姓氏------------- 5.名---------- 6.給瑪麗打電話4953539---------- 7.失物招領箱--------------- 8.一串鑰匙--------- 9.家譜----------- 10.為……而感謝------------- 11.Tony的全家福--------- 12、把……帶去給某人----------- 13.他的數學書---------- 14.一些錄影帶 15.在梳妝臺上------------ 16.把……帶來給某人---------- 17.在地板上--------- 18.打電腦遊戲-------------- 19.一個網球拍------------ 20.豐富的體育用品收藏------------- 21.在電視上看籃球比賽---------- 22.跑步藝員--------- 23.吃健康的食物------- 24.就早餐而言------------ 25.食物清單------------ 26.籃球打得好---------- 27.非常喜歡……-------------- …… 二、句型歸納 1.___________ ___________name? My name is Dale. 2.___________ ___________ __________your aunt? She's 37 ______old. 3.________that? It's Gina. 4._______this ________English? It'sc letter A. 5.____________play soccer today! Great,that sounds good. 6._________ __________are these desks? They are brown. 7.______ _______you _______watch? W-A-T-C-H. 8._____that her eraser? No,_____isn't. 9.___________telephone number? ____________7385098. 10.______this your brother? Yes,_____is. 11._______ _______his books? They're on the dresser. 12._________ ___________on thedresser? Yes,they are. 13._______they have a computer? No,they_________. 14._________he have a soccer ball? Yes,he______. 15.I like oranges but I ________like bananas. 16.Their father likes broccoli but he ________like hamburgers. 17._________ ___________your sister like for lunch? She likes fish and salad for lunch.

unit1—6練習人教新目標版 一、片語歸納 1.用英語---------- 2.穿藍色衣服的男孩----------- 3.電話號碼------------ 4.姓氏------------- 5.名---------- 6.給瑪麗打電話4953539---------- 7.失物招領箱--------------- 8.一串鑰匙--------- 9.家譜----------- 10.為……而感謝------------- 11.Tony的全家福--------- 12、把……帶去給某人----------- 13.他的數學書---------- 14.一些錄影帶 15.在梳妝臺上------------ 16.把……帶來給某人---------- 17.在地板上--------- 18.打電腦遊戲-------------- 19.一個網球拍------------ 20.豐富的體育用品收藏------------- 21.在電視上看籃球比賽---------- 22.跑步藝員--------- 23.吃健康的食物------- 24.就早餐而言------------ 25.食物清單------------ 26.籃球打得好---------- 27.非常喜歡……-------------- …… 二、句型歸納 1.___________ ___________name? My name is Dale. 2.___________ ___________ __________your aunt? She's 37 ______old. 3.________that? It's Gina. 4._______this ________English? It'sc letter A. 5.____________play soccer today! Great,that sounds good. 6._________ __________are these desks? They are brown. 7.______ _______you _______watch? W-A-T-C-H. 8._____that her eraser? No,_____isn't. 9.___________telephone number? ____________7385098. 10.______this your brother? Yes,_____is. 11._______ _______his books? They're on the dresser. 12._________ ___________on thedresser? Yes,they are. 13._______they have a computer? No,they_________. 14._________he have a soccer ball? Yes,he______. 15.I like oranges but I ________like bananas. 16.Their father likes broccoli but he ________like hamburgers. 17._________ ___________your sister like for lunch? She likes fish and salad for lunch.


很高興能為你解答~~~
一、片語歸納
1.用英語----------In English
2.穿藍色衣服的男孩-----------a boy in bule
3.電話號碼------------telephone number
4.姓氏-------------last name
5.名----------first name
6.給瑪麗打電話4953539----------call Mary at 4953539
7.失物招領箱---------------lost and found box
8.一串鑰匙---------a set of key
9.家譜-----------family tree
10.為……而感謝-------------thanks for
11.Tony的全家福---------Tony's family photo
12、把……帶去給某人-----------take sth to sb
13.他的數學書----------his math book
14.一些錄影帶----------some video tapes
15.在梳妝臺上------------on the dresser
16.把……帶來給某人----------bring sth to sb
17.在地板上---------on the floor
18.打電腦遊戲--------------play computer
19.一個網球拍------------a tennis racket
20.豐富的體育用品收藏-------------a sports collection
21.在電視上看籃球比賽----------watch basketball match on TV
22.跑步藝員---------runnering star
23.吃健康的食物-------eat healthy food
24.就早餐而言------------for breakfast
25.食物清單------------a list of food
26.籃球打得好----------play basketball well
27.非常喜歡……--------------very like
二、句型歸納
1.What's your name?
My name is Dale.
2.How old is your aunt?
She's 37 years old.
3.Who's that?
It's Gina.
4.What's this in English?
It's a letter.
5.Let's play soccer today!
Great,that sounds good.
6.What color are these desks?
They are brown.
7.How do you spell watch?
W-A-T-C-H.
8.Is that her eraser?
No,it isn't.
9.What's the telephone number?
It's 7385098.
10.Is this your brother?
Yes,he is.
11.Where are his books?
They're on the dresser.
12.Are they on the dresser?
Yes,they are.
13.Do they have a computer?
No,they don't.
14.Does he have a soccer ball?
Yes,he does.
15.I like oranges but I don't like bananas.
16.His father likes broccoli but he would like hamburgers.
17.What does your sister like for lunch?
She likes fish and salad for lunch.
這可是我自己寫的哦~~O(∩_∩)O~



填空部分和第26天以後的全部


26.BABCADCA EFIHJCDAGB(1)Alan(2)Li Ping(3)Laura(4)Carlo(5)Maria(6)Tony BACDC 28.DBACDACBD HEGJIBFCDA CBDBCCADAB29.CBCCBDCC TFFFT TFFTFF30.CBBABACDCACB試一試.EBDAC



彈簧秤的示數是那邊受到的力?
是合力麼?
若左邊5N右邊3N的力,向左加速運動,那麼示數為多少呢?


如果是兩個彈簧一邊一個,那麼左邊示數就是5右邊是3
如果是一個,這個5N3N不是彈簧給的,那就是顯示合力,2N(前提,力在一條直線上,如果有夾角那就要根據角算了)



已知等腰三角形△ABC的腰長為13,底邊長為10,則△ABC的面積為___.


如圖所示,∵等腰三角形△ABC的腰長為13,底邊長為10,AD⊥BC,∴BD=12BC=5,∴AD=AB2-BD2=132-52=12,∴12BC•AD=12×10×12=60.故答案為:60.



在光滑的水平面上放置著緊靠在一起的兩物體A和B,它們質量分別為mA、mB.當用水准恒力F推物體A時,求:


分析:兩個物體在推力的作用下在水平面上一定做勻加速直線運動.對整體來說符合牛頓第二定律;對於兩個孤立的物體分別用牛頓第二定律也是正確的.囙此,這一道連接體的問題可以有解.\ x0d設物體運動的加速度為a,兩物體間的作用力為T,把A、B兩個物體隔離出來畫在右側.因為物體組只在水平面上運動在豎直方向上是平衡的,所以分析每個物體受力時可以只討論水准方向的受力.A物體受水准向右的推力F和水准向左的作用力T,B物體只受一個水准向右的作用力T.對兩個物體分別列牛頓第二定律的方程:\x0d對mA滿足F-T= mAa⑴\x0d對mB滿足T = mBa⑵\x0d⑴+⑵得F =(mA+mB)a⑶\x0d經解得:a = F/(mA+mB)⑷\x0d將⑷式代入⑵式可得T=FmB/(mA+mB)\x0d小結:①解題時首先明確研究對象是其中的一個物體還是兩個物體組成的物體組.如果本題只求運動的加速度,因為這時A、B兩物體間的作用力是物體組的內力和加速度無關,那麼我們就可以物體組為研究對象直接列出⑶式動力學方程求解.若要求兩物體間的作用力就要用隔離法列兩個物體的動力學方程了.\x0d②對每個物體列動力學方程,通過解聯立方程來求解是解决連接體問題最規範的解法,也是最保險的方法,同學們必須掌握.



誰有小學五至六年級的四則混合運算題?我需要480道題目!
不要太簡單的,最好有小數、分數,兩至三個步驟





一質量為M的在一傾角為θ的物體,摩擦因數為μ,在水准恒力F作用下,沿斜面勻速向上運動
則所受摩擦力大小為A.μmgcosθB.μ(mgcosθ-FsinθC.Fcosθ+mgsinθD.μ(mgcosθ+Fsinθ)


D力都畫出來,分解到垂直斜面方向就是N f=un



在等差數列{an},設Sn為它的前n項和,若S15>0,S16


1.
設公差為d.
x=3 y=a3;x=5 y=a5代入函數方程:
b-6=a3(1)
b-10=a5(2)
(2)-(1)
a5-a3=b-10-b-6=-4
a5-a3=2d
d=(-4)/2=-2
S15>0
15a1+105d>0 a1+7d>0 a1>-7d
S16



一質點做勻加速直線運動,第3s內的位移是2m,第4s內的位移是2.5m我想問一下他位移比不是1:3:2n-1嗎,為什麼不同


位移比為1:3:(2n-1)是有條件的:初速度為零的勻加速直線運動
題目中的初速度應該不是為零



小明的爸爸每上4天班休息一天,媽媽卻是上5天班休息一天.3月4日爸爸、媽媽都在家休息,再到______月______日他們又可以同時在家休息.


5和6是互質數,所以5和6的最小公倍數是:5×6=30,所以3月4日,他們同時休息,那麼下一次他們同時休息是:4+30=34,即4月3日;故答案為:4,3.