Phân tích đa thức thành nhân tử

1) \(x^3+5x^3-2x-4\)

2) \(x^3+2x^2+6x+5\)

Question 1 : Find the word which has different sound in the part underlined.

1) A. washed B. walked C. stopped D. played

2) A. character B. chaper C. school D.chemistry

3) A. naked B. worked C. needed D. wanted

4) A. study B.music C. fun D.subject

5) A.happy B.house C.here D.hour

6) A.maps B.papers C.cats D.books

7) A.pollution B.question C.edcation D.communication

8) A.wants B.books C.meets D.televisions

9) A.those B.there C.that D.thanhks

10) A.fixed B.opened C.stopped D.watched

M.N GIÚP MK VỚI MK ĐG CẦN GẤP

GIÚP MK VỚI MK ĐANG CẦN GẤP

TEST

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

11. There is a .................. of books on the shelf . ( COLLECT )

13. It í said that water collected from the local streams is ............ to drink. ( HEALTH )

14. We want ................. relations with all countries. (FRIEND )

15. I like to eat ....................., so I eat a lot of fruits and vegetables every day. ( HEALTH )

V. Complete the sentences, using the comparative form of the adverbs from the correspondent adjectives in the box.

Generous bad optimistic healthy traditional quick ssound good

1. A baby can sleep ................ than adult.

2. People in the country eat ................. than people in the city.

3. Our grandparents got dressed ................. the we do nowadays .

4. Nick speaks English ............... than I do.

5. That old lady donates ............... than her farmily members.

6. City people seem to apply modern techniques ...................... than country people.

7. The scientist talked ..................... about the future of young people in the country than local people.

8. The padfdy fields in my village were .................... af fected by the floods than the next village.

VI. Complete the sentences with suitable forms pf the adverbs given in the brackets.

1. Nick is a careful writer than Phuc. ( carefully )

Nick writes essays .....................................

2. A snail is slower than a crab. ( slowly )

A snail moves ......................................

3. My father's explaination about the subject was clearer than my brother's. ( clearly )

My father explained the subject ......................................

4. My cousin is a better singer than I am. ( well )

My cousin sings ........................................

5. Phong is a fasster swimmer than Phuc . ( well )

Phong swims .................................................

6. My English is mỏe fluent than my sister's. (fluently )

I speaks English ..........................................

7. Life in the countryside isn't stressful as life in the city. ( stressful )

Life in the city ................................

8. This is the largest kite I've ever seen. ( large )

I've never ..........................................

9. Phong's voice is louder than Nick's. ( loudly )

Phong speaks .....................................

10. We arrived earlier at the party than the smiths last nigt. ( early )

We arrived .........................................