2 kg 300 g = 2,3 kg

2 cân rưỡi = 2,5 kg

4 kg 350 g = 4,35 kg

Vậy ta suy ra :

2,3 < 2,5 < 2,15 < 4,35

Kết luận :

Vậy con nặng nhất là con : Ngỗng

Con nhẹ nhất là con : Ngan

3 . Complete the sentences with the correct words in the box .

goggles / racket / skateboard / skis / ring / paddle / running shoes / gloves

1 . All we need to run is good _______.

2 . They fight in the square area with ropes around it , called a boxing _______.

3 . __________ are special glasses that fit closely to the face to protect the eyes from wind , dust , water , etc.

4 . In boxing , the fighters wear large leather boxing ______ on their hands .

5 . Sall we play tables tennis ? - Great ! Can you lend me a _______?

6 . He threw his tennis ______across the court in anger .

7. When we put ______ on we can move over snow easily .

8 . He sometimes rides his ______ to school .

5 . Watching television can be very ____ . ( educate )

6 . Journalist Lai Van Sam is one of the _______ Vietnamese television MCs . ( good )

7 . This programme is very _______ to teens . It can enrich their knowledge . ( use )

8 . Watching TV is a most popular form ò the home _______. ( entertain )