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3 tháng 7 2020

1. Swimming can be fun but accidents can happen

2. Until recently, man could not stay underwater for long

3. Before the invention of special breathing equipment, man couldn't swim freely under water

4. Our parents should give us the opportunity to learn to swim

18 tháng 5 2021

1D 2C 3B 4D

6 tháng 11 2017

Điền từ còn thiếu vào ô trống

Most of the world's surface is water. We may know the......land.......very well, but we know very.........little......about the oceans.

Until recently, man could not stay underwater for long. A pearl diver,........for.........example, could not stay underwater for longer..........than.......two minutes. But now, with speacial.........breathing.........equipment, a diver can stay underwater for a long time. After the invention of this equipment, man could..........swim.......freely underwater and scuba-diving became a popular.........sport..........

II Chọn từ hay nhóm từ thích hợp nhất để hoàn chỉnh câu 6. He is a ………… speaker. He speaks smoothly a. fluent b. slow c. fast d. easy 7. Walking is a fun , easy and inexpensive …………. a. act b. action c. activity d. active 8. People of all ………. And abilities can enjoy it a. years b. ages c. old d. height 9………… the world’s surface is water a . most b. most of c. all d. whole 10. We may know the land well , but we know very ……….. about the oceans a. few b. a few c. a...
Đọc tiếp

II Chọn từ hay nhóm từ thích hợp nhất để hoàn chỉnh câu

6. He is a ………… speaker. He speaks smoothly

a. fluent b. slow c. fast d. easy

7. Walking is a fun , easy and inexpensive ………….

a. act b. action c. activity d. active

8. People of all ………. And abilities can enjoy it

a. years b. ages c. old d. height

9………… the world’s surface is water

a . most b. most of c. all d. whole

10. We may know the land well , but we know very ……….. about the oceans

a. few b. a few c. a little d. little

11. Until ……….. , man could not stay underwater for long

a. recently b. recent c. late d. lately

12. A pearl diver couldn’t stay underwater for …………. Than two minutes

a. long b. short c. longer d. shorter

13. Now , with special ……… equipment , a diver can stay underwater for a long time

a. breath b. breathing c. breathe d. to breathe

14. After the invention of this equipment , man could swim …… underwater

a. free b. freely c. safe d. quick

1
8 tháng 4 2017

II Chọn từ hay nhóm từ thích hợp nhất để hoàn chỉnh câu

6. He is a ………… speaker. He speaks smoothly

a. fluent b. slow c. fast d. easy

7. Walking is a fun , easy and inexpensive ………….

a. act b. action c. activity d. active

8. People of all ………. And abilities can enjoy it

a. years b. ages c. old d. height

9………… the world’s surface is water

a . most b. most of c. all d. whole

10. We may know the land well , but we know very ……….. about the oceans

a. few b. a few c. a little d. little

11. Until ……….. , man could not stay underwater for long

a. recently b. recent c. late d. lately

12. A pearl diver couldn’t stay underwater for …………. Than two minutes

a. long b. short c. longer d. shorter

13. Now , with special ……… equipment , a diver can stay underwater for a long time

a. breath b. breathing c. breathe d. to breathe

14. After the invention of this equipment , man could swim …… underwater

a. free b. freely c. safe d. quick

7 tháng 5 2018

Most of the word's surface is water . Until recently , a pearl diver could stay underwater for longer than 2 minutes . But now , with special breathing equipment , a diver can stay underwater for a long time . A scuba-diving became a popular sport . Jacques Couteau was from Frace invited a deep-sea diving vessel in the early 1940s . In the vessel , he could explore the oceans of the world . Now we also explore the oceans , using speciak TV cameras . We can learn more about the undersea world .

1. Is surface of the world land ?

No, it isn't.

2. Couls a pearl diver stay for five minutes ?

No, he couldn't.

3. How did Jacques Cousteau explore oceans ?

Jacques Couteau was from Frace invited a deep-sea diving vessel in the early 1940s . In the vessel , he could explore the oceans of the world .

4 . How can we explore the oceans now ?

Now we also explore the oceans , using speciak TV cameras .

5. Was a deep-sea diving vessel invented in 1940s ?

Yes, it was.

18 tháng 4 2017

Until recently, man could not stay underwater *** long

==>TOO

18 tháng 4 2017

Until recently, man could not stay underwater FOR long.

23 tháng 10 2016

sắp xếp các từ sau thành câu hoàn chỉnh :

1. a / rehearsing / her / is / play / at / group / celebration / for / anniversary / school / the / present .

=> Her group is rehearsing a play for the school anniversary celebration at present.

2. life / we / whole / the / eat / affects / that / out / know / we / food .

=> We know that the food we eat affects our whole life.

3. after/ the / of / the / invention / could / man / underwater / freely / breathing equipment / swim .

=> After the invention of the breathing equipment, man could swim freely underwater.

4. American / think / ones / more / students / do / you / vacations / Vietnamese / year / than / a / have ?

=> Do you think American students have more vacations a year than Vietnamese ones?

5. fit / too / eating / enjoy / much / help / healthy / you / , / but / stay / and / will / not / food / the you .

=> Eating the food you enjoy, but not too much will help you stay fit and healthy.

23 tháng 10 2016

1. a / rehearsing / her / is / play / at / group / celebration / for / anniversary / school / the / present .

Her group is rehearsing a play at present for the school anniversary celebration.

2. life / we / whole / the / eat / affects / that / out / know / we / food .

We know that the food we eat affects our whole life.

3. after/ the / of / the / invention / could / man / underwater / freely / breathing equipment / swim .

Man could swim underwater freely after the invention of breathing equipmeny.

4. American / think / ones / more / students / do / you / vacations / Vietnamese / year / than / a / have ?

Do you think American students have more vacations than Vietnamese ones?

16 tháng 3 2017

- Most of the world's surface is land ( False)

- Before the invention of special breathing equipment, man couldn't swim freely underwater ( True)

- Now, scuba - diving is a popular sport ( True)

- Jacques Cousteau invented special TV cameras ( False)

- We can learn more about the undersea world thanks to Jacques Cousteau's invention ( False)

Chúc nhok học tốt !

20 tháng 3 2017

1:Fasle

2:True

3:True

4:Flase

5:Flase

Chúc bn học tốt!!!!!!!ok

23 tháng 7 2017

1. Most of the girls in my class are 10 years old

2. the doctor gave him some medicine to cure the flu

3. until recently, man could not stay underwater for long . ( ko phai too)

4. why didn't our school organize a badminton club?

5. we stay here longer than we did last summer holiday

6. did Parker do this homework last night? no, he didn't

23 tháng 7 2017

1. Most _ _ the girls in my class are 10 years old=>of

2. the doctor gave him some _ _ _ _cine to cure the flu =>medicine

3. until recently, man could not stay underwater _ _ _ long. ( ko phai too)

=>too

4. why didn't our school or_ _ _ _ ze a badminton club?

=>organize

5. we stay here longer than we _ _ _ last summer holiday

=.did

6. did Parker do this homework _ _ _t night? no, he didn't

=>last