Bài 3 : Tìm các giá trị của m để phương trình \(\sqrt{x-1}+\frac{x-m}{\sqrt{x-1}}=\frac{2m}{\sqrt{x-1}}\) có nghiệm

Bài 2 : Giải các phương trình sau

1 , \(x\left(x+5\right)=2\sqrt[3]{x^2+5x-2}-2\)

2 , \(\sqrt[3]{x+5}+\sqrt[3]{x+6}=\sqrt[3]{2x+11}\)

3 , \(\sqrt[4]{x-\sqrt{x^2-1}}+\sqrt{x+\sqrt{x^2-1}}=2\)

4 , \(x^2-2x-8=4\sqrt{\left(4-x\right)\left(x+2\right)}\)

5 , \(x^2+5x+2+2\sqrt{x^2+5x+10}=0\)

6 , \(\sqrt{2x^2+3x-5}=x+1\)

7 , \(\left(x-1\right)\left(x-3\right)+3\sqrt{x^2-4x+5}-2=0\)

Bài 1 : giải các phương trình sau

1 , \(\left(x^2-6x\right)\sqrt{17-x^2}=x^2-6x\)

2 , \(\left(x^2+5x+4\right)\sqrt{x+3}=0\)

3, \(\sqrt{3x}+\sqrt{2x-2}=\sqrt{1-x}+2\)

4, \(\left(x^2-4x+3\right)\sqrt{x-2}=0\)

5 , \(\sqrt{x^2+3x-2}=\sqrt{1+x}\)

6 , \(\left(\sqrt{x-4}-1\right)\left(x^2-7x+6\right)=0\)

7, \(\sqrt{2x^2-8x+4}=x-2\)

8 , \(\sqrt{3x+7}-\sqrt{x+1}=2\)

Bài 2 : Trình bày các đặc điểm của sản xuất công nghiệp , nông nghiệp

Bài 1 : Trình bày vai trò của ngành công nghiệp ( hoặc chứng minh ngành công nghiệp có vai trò chủ đạo trong nền kinh tế quốc dân)

Bài 4 : Viết lại các câu sau sao cho nghĩa không đổi

1 . Her old house is bigger than her new one .

=> Her new house ...................................................

2 . No one in my class is taller than Peter

=> Peter.................................................................

3 . The black dress is more expensive than the white one

=> The white dress..................................................

4 . According to me , English is easier than Maths .

=> According to me , Maths......................................................

5 . No one in my group is more intelligent than Mary

=> Mary..................................................................................

6 . No river in the world is longer than the Nile

=> The Nile .............................................................................

7 . Mount Everest is the highest mountain in the world .

=> No mountain........................................................................

8 . This is the first time I have ever met such a pretty girl.

=> She is .........................................................................

9 . He works much . He feels tired.

=> The more........................................................................

10 This computer works better than that one .

=> That computer.................................................................

11. The apartment is big . The rent is high.

=> The bigger.......................................................................

12 . We set off soon . We will arrive soon .

=> The sooner.........................................................................

13 . The Joke is good . The laughter is loud .

=> The better ........................................................................

14 . She gets fat . She feels tired

=> The fatter........................................................................

15 . As he gets older , he wants to travel less

=> The older..........................................................................

16 . The children are excited with the difficult games .

=> The more ..........................................................................

17 . People dive fast . Many accidents happen

=> The faster..........................................................................

18 . I meet him much . I hate him much

=> The more ............................................................................

19 . My boss works better when he is pressed for time.

=> The less ..............................................................................

20 . As he has much money , he wants to spend much .

=> The more ..........................................................................

21 . If you read many books , you will have much knowledge.

=> The more ........................................................................

22 . He speaks too much and people feel bored.

=> The more ........................................................................

23 . The growth in the economy makes people 's living condition better

=> The more................................................................................

24 . People learn a lot of things as they travel far.

=> The farther..........................................................................................

Bài 3 : Điền vào chỗ trống dạng so sánh đúng của từ trong ngoặc

1 . He is ( clever) ...............................student in my group .

2 . She can't stay ( long ).............................than 30 minutes.

3 . It's ( good ) ............................holiday I 've had

4 . Well , the place looks ( clean ) ...............................now .

5 . The red shirt is better but it's ( expensive ) ................................than the white one .

6 . I 'll try to finish the job ( quick )..........................................

7 . Being a firefighter is ( dangerous ) ......................................than being a builder .

8 . Lan sings ( sweet) ....................................than Hoa

9 . This is ( exciting).............................film I've ever seen

10 . He run ( fast ) ..............................of all

11. My Tam is one of ( popular ) ...............................singers in my country .

12 . Which planet is ( close )..............................to the Sun ?

13. Carol sings as ( beautiful) ................as Mary , but Cindy sings he ( beautiful) ...................

14 The weather this summer is even ( hot).........................than last summer .

15. Your accent is ( bad) ...........................than mine .

16 . Hot dogs are ( good) ................................than hamburgers.

17. They live in a ( big ) ..........................house , but Fred lives in a (big) ..........................one

18. French is considered to be ( difficult ) ...........................than English , but Chinese is the ( difficult)............................language.

19 It's the ( large)...................................company in the country

Bài 2 : Chọn đáp án đúng để điền vào chỗ trống trong các câu sau .

1 . She is......................singer I've ever met.

A worse B bad C the worst D badly

2 . Mary is ................responsible as peter .

A more B the most C much D as

3 . It is ........................in the city than it is in the country .

A noisily B more noisier C noisier D noisy

4 . She sings ......................among the singers I have known.

A the most beautiful B the more beautiful

C the most beautifully D the more beautifully

5 . She is ......................student in my class.

A most hard - working B more hard - working

C the most hard - working D as hard - working

6 The English test was ..........................than I thought it would be

A the easier B more casy C easiest D easier

7 English is thought to be .................than Math

A harder B the more hard C hardest D the hardest

8 Jupiter is ........................planet in the solar system

A the biggest B the bigger C bigger D biggest

9 She runs ......................in my class

A the slowest B the most slow C the slowly D the most slowly

10 My house is ...............hers

A cheap than B cheaper C more cheap than D cheaper than

11 Her office is ......................away than mine .

A father B more far C farther D farer

12 Tom is ......................than David

A handsome B the more handsome

C more handsome D the most handsome

13 He did the test............................I did

A as bad as B badder than C more badly than D worse than

14 A boat is .......................than a plane

A slower B slowest C more slow D more slower

15 My new sofa is .....................than the old one

A more comfortable B comfortably

C more comfortable D comfortable

16 My sister dances ................than me .

A gooder B weller C better D more good

17 My bedroom is ......................room in my house .

A tidier than B the tidiest C the most tidy D more tidier

18 This road is .....................than that road

A narrower B narrow C the most narrow D more narrower

19 He drives...................his brother

A more careful than B more carefully

C more carefully than D as careful as

20 It was ............................day of the year

A the colder B the coldest C coldest D colder

Bài 1 : Viết dạng so sánh hơn và so sánh hơn nhất của các tính từ và trạng từ sau :

Nêu những đóng góp của Hai Bà Trưng , Lý Bí , Triệu Quang Phục , Khúc Thừa Dụ , Ngô Quyền trong cuộc đấu tranh giành độc lập thời Bắc thuộc