1. My dad doesn't mind............... my mom from work every day.

A. pick up B. picked up C. picking up D. picks up

2. Using computers too much may have harmful effects ....... . your minds and bodies.

A. on B. to C. with D. onto

3. I love the people in my village. They are so..................... and hospitable.

A. friendly B. vast C. slow D. inconvenient

4. Among the .................., the Tay people have the largest population.

A. groups B. majorities C. ethnic minorities D. ethnic cultures.

5. People in the countryside live .................. than those in the city.

A. happy B. more happily C. happily D. less happy

sai thì tự làm ik :)

II/ 

Choose the words that have different stress from the others

1.A.satisfied B.socualze C.volunteer D.exercise

2.A. information B.technoiogy C.community D.activity

3.A.library B.museum C.melody D.favourite

4.A.protection B.addicted C.computer D.goldfish

I / 

1 A. laughed B. washed C. danced D. played

2. A. beds B. dogs C. porters D. books

3. A. pictures B. watches C. buses D. brushes

4. A. homework B. mother C. open D. judo

5. A. leisure B. eight C. celebrate D. penalty

cái này lớp 5   mà 

Tích của hai bán kính là:

706,5:3,14=225km2

Vì 15×15=225 nên bán kính là 15 km

Chu vi hình tròn là:

15x2x3,14=94,2km

Đ/S:94,2 km

Liên kết về quân sự!