GIÚP MK VỚI MK ĐANG CẦN GẤP

TEST

I. Finll in the blanks with the correct words or phrases matching with the verbs. May be some verbs can be used more than once.

Grapes food buffaloes a camel data

Dolls a tent water cattle a flag

Strawberry a bike a fence tea buds a car

Goats information an ostrich blackberry sheep

a motorbike a notice postcards a memorial a donkey

1. ride : ..................

2. collect : ...............

3. pick :............

4. herd : .............

5. put up : ..............

II. Fill in the blanks with the correct word from the box.

ride grassland cattle loaded kites beehive vast harvest convenient dry

1. Several people were flying ...................... on the field.

2. Russia í a ................... country with a lot of natural resources.

3. My brother is learning to ................ a horse at the moment.

4. Farmers often leave the rice in the sun to ..............

5. They .................. the buffalo-drawn cart with hay.

6. Local people are turning ................ into farmland.

7. Farmers always need extrahelp with the ...............

8. It is ................... to meet you at the moment ?

9. My uncle raises .................. on this farm.

10. A .......... is type of the box that people use for keeping bees in.

III. Fill in the blank with the appropriate form of the wordnin bracket.

1. Iceland is considered the most ................. country in the world. ( PEACE )

2. A ............... lifestyle has its advantages and disadvantages. ( NOMAD )

3. My brother has been a stamp ................ for several years. ( COLLECT ).

4. It is a/an ................... place to hold a picnic because it is too far froms the road. ( CONVENIENCE )

5. Druring my stay in the village, I was .............. with several local farmers. ( FRIEND )

6. Drinking water in some areas may be .................... ( SAFE )

7. Encouraging children to eat and drink .................. Is very important . ( HEALTH )

8. Local people in the village often wear their ................ Costumes during the festivals . ( TRADITION )

9. Please give ................... to that charity to help the homeless after the flood. ( GENEROUS )

10. The baby slept very ................. Because the bed was really comfortable . ( SOUND )

Bài 1: Phân tích đa thức thành nhân tử:

a) \(2x\left(x+1\right)+2\left(x+1\right)\)

b) \(y^2\left(x^2+y\right)-zx^2-zy\)

c) \(4x\left(x-2y\right)+8y\left(2y-x\right)\)

d) \(3x\left(x+1\right)^2-5x^2\left(x+1\right)+7\left(x+1\right)\)

e) \(x^2-6xy+9y^2\)

f) \(x^3+6x^2y+12xy^2+8y^3\)

g) \(x^3-64\)

h) \(125x^3+y^6\)

k) \(0,125\left(a+1\right)^3-1\)

t) \(x^2-2xy+y^2-xz+yz\)

q) \(x^2-y^2-x+y\)

p) \(a^3x-ab+b-x\)

đ) \(3x^2\left(a+b+c\right)+36xy\left(a+b+c\right)+108y^2\left(a+b+c\right)\)

l) \(x^2-x-6\)

i) \(x^4+4x^2-5\)

m) \(x^3-19x-30\)

j) \(x^4+x+1\)

y) \(ab\left(a-b\right)+bc\left(b-c\right)+ca\left(c-a\right)\)

o) \(\left(a+b+c\right)^3-a^3-b^3-c^3\)

ê) \(4a^2b^2-\left(a^2+b^2+c^2\right)^2\)

w) \(\left(1+x^2\right)^2-4x\left(1-x^2\right)\)

z) \(\left(x^2-8\right)^2+36\)

u) \(81x^4+4\)

Bài 2 : Tìm x

a)\(\left(2x-1\right)^2-25=0\)

b) \(8x^3-50x=0\)

c) \(\left(x-2\right)\left(x^2+2+7\right)+2\left(x^2-4\right)-5\left(x-2\right)=0\)

d) \(3x\left(x-1\right)+x-1=0\)

e) \(2\left(x+3\right)-x^2-3x\) =0

f) \(4x^2-25-\left(2x-5\right)\left(2x+7\right)=0\)

g) \(x^3+27+\left(x+3\right)\left(x-9\right)=0\)

Cho hình bình hành ABCD có AD = 2AB, từ C vẽ CE vuông góc với AB , gọi M là trung điểm của AD , từ M kẻ MF vuông góc với CE, MF cắt BC tại M

A) tứ giác MNCD là hình gì ? tsao?

b) tam giác EMC là hjinh gj ? tsao?

c) CM : góc BAD = 2 làm góc AEM