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18. The water was so polluted that the explorers could not drink it.         A. The water was too polluted for the explorers to drink .         B. The water was  polluted enough for the explorers to drink .         C. The water was too polluted for the explorers  drinking .         D. The water was polluted enough for the explorers drinking.19. His doctor advised him ……………smoking, but he find it impossible ………..his habit.         A. stopped / quit        B. To stop/ quitting    C. stopping/ for...
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18. The water was so polluted that the explorers could not drink it.

         A. The water was too polluted for the explorers to drink .

         B. The water was  polluted enough for the explorers to drink .

         C. The water was too polluted for the explorers  drinking .

         D. The water was polluted enough for the explorers drinking.

19. His doctor advised him ……………smoking, but he find it impossible ………..his habit.

         A. stopped / quit        B. To stop/ quitting    C. stopping/ for quitting          D. to stop/ to quit

20. The company was made …………….100.000 USD in taxes.

         A. pay                            B. to pay                       C. paying                           D. paid

21. I hear you are preparing …………….for Australia.

         A. leaves                       B. to leave                    C. leaving                          D. left

22. The children were eager …………. their parents.

         A. to see                        B. see                             C. seeing                            D. saw

23. I would rather ………….at home.

         A. to stay                      B. staying                      C. stayed                           D. stay

24. He refused …………….her ………….for herself.

         A. to allow / think      B. allow / to think      C. allowing / thinking    D. to allow / to think

25. I keep getting this pain in my leg. I think I would better ……………a doctor.

         A. seeing                       B. to see                        C. see                                 D. x

26. It is impossible for her ………….the office.

         A. ringing                      B. ring                            C. to ring                           D. rang

27. The government has few options except …………….interest rates high.

         A. keeps                        B. to keep                     C. keeping                         D. of keeping

28. Have you got time …………….the report today.

         A. finishes                     B. to finish                    C. finishing                        D. finished

29. She is in a hurry. She has a train ……………….

         A. catching                   B. catches                     C. to catch                        D. caught

30. John, I have something interesting …...you but you have to promise …...it secret.

         A. for telling / keeping                                      B. to tell / keep                C. to tell / to keep  D. told / kept

31. The guards were watching a shoplifter ………….along the shop windows.

         A. go                              B. to go                         C. went                              D. gone

32. The skiers would rather ……………through the mountain than go by bus.

         A. to travel on train   B. traveled by train    C. travel by train             D. traveling by train

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I.       Choose one sentence that has the same meaning as the root.43. The water was very cold, so we couldn’t swim.      a. We couldn’t swim because the water was very cold.      b. We went swimming despite the warm water.      c. The water was cold enough for us to swim.      d. The water wasn’t warm, but we could swim.44. This is the first time they’ve been to England.      a. They went to England once.                               b. They have never been to England before.      c. They...
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I.       Choose one sentence that has the same meaning as the root.

43. The water was very cold, so we couldn’t swim.

      a. We couldn’t swim because the water was very cold.

      b. We went swimming despite the warm water.

      c. The water was cold enough for us to swim.

      d. The water wasn’t warm, but we could swim.

44. This is the first time they’ve been to England.

      a. They went to England once.                               b. They have never been to England before.

      c. They haven’t been to England so far.                 d. They’ve been to England many times.

45. Our house is going to be rebuilt by a local firm.

      a. We are going to rebuild our house.

      b. We are going to have our house rebuilt by a local firm.

      c. A local firm is going to rebuild our house.

      d. b and c are correct

2
9 tháng 8 2021

I.       Choose one sentence that has the same meaning as the root.

43. The water was very cold, so we couldn’t swim.

      a. We couldn’t swim because the water was very cold.

      b. We went swimming despite the warm water.

      c. The water was cold enough for us to swim.

      d. The water wasn’t warm, but we could swim.

44. This is the first time they’ve been to England.

      a. They went to England once.                               b. They have never been to England before.

      c. They haven’t been to England so far.                 d. They’ve been to England many times.

45. Our house is going to be rebuilt by a local firm.

      a. We are going to rebuild our house.

      b. We are going to have our house rebuilt by a local firm.

      c. A local firm is going to rebuild our house.

 

      d. b and c are correct

9 tháng 8 2021

43 A

44 B

45 C

Fill in the blanks: Maybe you recycle cans, glass and paper. Do you know that nature recycles, too? One of the things nature (1)............ is water.Water goes from oceans, lakes and river into the air. Water falls from the air as (2)............ or snow. Rain and snow eventually find their way back to the ocean. Nature's recycling program for water is (3)............ the water cycle. The water cycle has 4 stages: storage, evaporation, precipitation and runoff. Water on the Earth gets...
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Fill in the blanks:

Maybe you recycle cans, glass and paper. Do you know that nature recycles, too? One of the things nature (1)............ is water.Water goes from oceans, lakes and river into the air. Water falls from the air as (2)............ or snow. Rain and snow eventually find their way back to the ocean. Nature's recycling program for water is (3)............ the water cycle.

The water cycle has 4 stages: storage, evaporation, precipitation and runoff. Water on the Earth gets stored (4)............ oceans, lakes, rivers, ice and even underground. Water goes from storage into the atmosphere by a process called evaporation. When water evaporates, it changes from a liquid (5)............ a gas, called water vapor. Water vapor goes up into (6)............ atmosphere. Water returns to the Earth as precipitation in rain or snow by changing into drops of water (7)............ the air gets cold enough. Clouds are collections (8)............ water droplets. Most precipitation falls into the oceans and go right back into storage.

Water that falls on land always flows from (9)............ places to lower ones. This flow is called runoff. Water from land flows into streams. Streams join together to make (10)............ and eventually the water flows into storage in the oceans.

1
17 tháng 11 2017

Fill in the blanks:

Maybe you recycle cans, glass and paper. Do you know that nature recycles, too? One of the things nature (1)...recycles... is water.Water goes from oceans, lakes and river into the air. Water falls from the air as (2)...rain... or snow. Rain and snow eventually find their way back to the ocean. Nature's recycling program for water is (3)...called... the water cycle.

The water cycle has 4 stages: storage, evaporation, precipitation and runoff. Water on the Earth gets stored (4)...in... oceans, lakes, rivers, ice and even underground. Water goes from storage into the atmosphere by a process called evaporation. When water evaporates, it changes from a liquid (5)...into... a gas, called water vapor. Water vapor goes up into (6)...the... atmosphere. Water returns to the Earth as precipitation in rain or snow by changing into drops of water (7)...when... the air gets cold enough. Clouds are collections (8)...of... water droplets. Most precipitation falls into the oceans and go right back into storage.

Water that falls on land always flows from (9)...higher... places to lower ones. This flow is called runoff. Water from land flows into streams. Streams join together to make (10)...rivers... and eventually the water flows into storage in the oceans.

Vấn đề 8. Một container có hình khối có kích thước như trong hình. Các thùng có 54 lít nước trong đó. Bình muốn biết một xô đầy chứa bao nhiêu lít nước , do đó, ông đổ cả xô nước vào container và thấy rằng mức độ của nước tại 7 8 là chiều cao của container. Từ đó, ông có thể tính toán bao nhiêu lít nước một xô đầy chứa . Nếu container rỗng , bao nhiêu xô nước phải Bình đổ vào các container để làm cho nó đầy đủ?

5 tháng 5

To solve this problem, let's break it down step by step.

Step 1: Calculate the volume of the cuboid container.
The volume of a cuboid is given by the formula:
Volume = Length × Width × Height

Given:
Length = 12 meters
Width = 6 meters
Height = 4 meters

Volume = 12 × 6 × 4 = 288 cubic meters

Step 2: Convert the volume to liters.
Since 1 cubic meter = 1000 liters, we have:
Volume = 288 × 1000 = 288,000 liters

Step 3: Determine the volume of water after pouring a full bucket.
The water level after pouring the bucket is at 7/8 the height of the container, which means the volume of water is 7/8 of the volume of the container.

Volume of water = (7/8) × 288,000 liters = 252,000 liters

Step 4: Calculate the volume of water in one bucket.
Since initially, there were 54 liters in the container and after pouring the bucket, there were 252,000 liters, the volume of water in one bucket can be found by subtracting the initial volume from the final volume.

Volume of water in one bucket = 252,000 liters - 54 liters = 251,946 liters

Step 5: Determine how many buckets are needed to fill the container.
To find out how many buckets are needed to fill the container, divide the volume of the container by the volume of water in one bucket.

Number of buckets needed = 288,000 liters / 251,946 liters ≈ 1.144

Since Bình cannot pour a fraction of a bucket, he would need to pour 2 buckets of water to fill the container completely.

31 tháng 8 2017

Đáp án: B

Giải thích: Giải thích: when + mệnh đề: khi mà…

Dịch: Ô nhiễm nước diễn ra khi mà các chất độc hại đi vào trong các phần nước như ao hồ, sông suối, đại dương, vân vân…

6 tháng 11 2018

Đáp án: B

Giải thích: cấu trúc “not only… (but)…also…”: không những…mà còn…

Dịch: Không những điều này gây ra thảm hoạ cho hệ sinh thái dưới nước, chất thải còn lắng xuống và gây ô nhiễm nước ngầm.

27 tháng 5 2018

Đáp án: A

Giải thích: cụm từ source of st: nguồn gốc của cái gì

Dịch: Các nguồn không trực tiếp của ô nhiễm nước bao gồm các chất ô nhiễm mà lẫn vào nguồn nước từ đất hay hệ thống nước ngầm và từ không khí qua mưa.

20 tháng 9 2019

Đáp án: B

Giải thích: be caused: được tạo ra, bị gây ra

Dịch: Ô nhiễm nước có thể được tạo ra từ nhiều cách, một trong những tác nhân lớn nhất là nước thải đô thị, và chất thải công nghiệp.

17 tháng 12 2021

 

The water is too cold to swim.

 

17 tháng 12 2021

The water is cold too for me to swim.

Read the passage carefully, and decide whether the sentences are True or False Our school has a model club. The members of the club try to make water rockets. The students taking part in the club love discovering new things  and learning science subjects. A water rocket doesn't cost you much. You can use the things you have used such as empty bottles, old types of bicycles. The model has two main parts : the base and the rocket.  The pump in the base is made up of water pipes and it can...
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Read the passage carefully, and decide whether the sentences are True or False 

Our school has a model club. The members of the club try to make water rockets. The students taking part in the club love discovering new things  and learning science subjects. A water rocket doesn't cost you much. You can use the things you have used such as empty bottles, old types of bicycles. The model has two main parts : the base and the rocket.  The pump in the base is made up of water pipes and it can increase the pressure of water. The rocket made from empty bottles should have blades in its tail and a pointed head. These parts help the water go in the correct path as the membershave planned. When we use the pump to incease the pressure of water, the rocket will take off and fly into the air. our school club has just won the first prize on making water rockets.

1. The members of the model club have a love of science.

2. You can use old things to make water rockets.

3. it is expensive. to make water rockets.

4. The high pressure of water can make the models fly.

5. We cannot control the water rockets at all. 

2
3 tháng 9 2016

 

Read the passage carefully, and decide whether the sentences are True or False 

Our school has a model club. The members of the club try to make water rockets. The students taking part in the club love discovering new things  and learning science subjects. A water rocket doesn't cost you much. You can use the things you have used such as empty bottles, old types of bicycles. The model has two main parts : the base and the rocket.  The pump in the base is made up of water pipes and it can increase the pressure of water. The rocket made from empty bottles should have blades in its tail and a pointed head. These parts help the water go in the correct path as the membershave planned. When we use the pump to incease the pressure of water, the rocket will take off and fly into the air. our school club has just won the first prize on making water rockets.

1. The members of the model club have a love of science.

=> T

2. You can use old things to make water rockets.

=> T

3. it is expensive. to make water rockets.

=> F

4. The high pressure of water can make the models fly.

=> F

5. We cannot control the water rockets at all. 

=> T

3 tháng 9 2016

Hình như đúng hết