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21 tháng 3 2016

Một con tàu vượt qua một cái cây mất 10 giây và một cây cầu dài 225 m mất 25 giây.Tìm chiều dài của con tàu.

300 m thì phải đó

đáp số:300 m

17 tháng 12 2016

ra 90m do ban

10 tháng 3 2017

Thời gian cả chiếc xe lửa vượt qua chiều dài của chính nó là 10 (giây)
Thời gian cả chiếc xe lửa vượt qua chiều dài của cây cầu dài 225m và chiều dài của chính nó là 25 (giây)
Thời gian để điểm đầu của xe lửa vượt qua chiều dài của cây cầu là 25 - 10 = 15 (giây)
Số mét chiếc xe lửa chạy được trong thời gian 1 giây là 225 : 15 = 15 (m)
Chiều dài của xe lửa là 15 x 10 = 150 (m)

5 tháng 2 2017

35 second

18 tháng 2 2017

Mk nhầm!35 m!

k mk nha!

Exercise 4. Read the passage and circle the best answer A, B, C or D. ​Ha Long Bay has been twice recognized by UNESCO as a World Heritage Site in 1994 and in 2000, and also that Ha Long Bay is in the second place in the worldwide competition of the World's Seven Natural Wonders. It is as attractive and beautiful throughout the four seasons: spring, summer, autumn, and winter. Traveling on small sailboats among hundreds of limestone islands, one may visit the amazing Surprise Cave, the...
Đọc tiếp

Exercise 4. Read the passage and circle the best answer A, B, C or D. ​Ha Long Bay has been twice recognized by UNESCO as a World Heritage Site in 1994 and in 2000, and also that Ha Long Bay is in the second place in the worldwide competition of the World's Seven Natural Wonders. It is as attractive and beautiful throughout the four seasons: spring, summer, autumn, and winter. Traveling on small sailboats among hundreds of limestone islands, one may visit the amazing Surprise Cave, the floating fishing village, and see how the locals live, which are top of the list of things to do here. The experience of visiting Ha Long Bay is unforgettable, where you will see something that will stay in your mind and eyes for years. You will enjoy meeting Vietnamese people and tasting their delicious food. You will have fresh air all day and night, especially if you wake up early in the morning and watch the sun rise on the deck coming slowly through the islands. Be sure not to miss visiting Ha Long Bay in your lifetime. 1. What is the best title of the passage? ​A. Vietnam, an attrative tourist destination​B. Ha Long Bay, a world heritage in Vietnam ​C. Unforgettable experience in Ha Long Bay​D. Amazing Surprise Cave in Ha Long Bay 2. The word “unforgettable” in line 6 is CLOSEST in meaning to ______. ​A. important ​B. memorable​C. famous​D. beautiful 3. How many times has Ha Long Bay recognized as a World Heritage Site by UNESCO? ​A. 2​B. 3​C. 4​D. 5 4. According to the passage, tourists can enjoy all of the following EXCEPT_____. ​A. Exploring the amazing Surprise Cave​B. Traveling on small sailboats ​C. Visiting the floating market​D. Seeing how the local people live

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Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35.ORESUND BRIDGE          Imagine driving along a bridge that is so long that you can't even see the other end. The Oresund Bridge, one of the longest bridges in the world, (31)________so far ahead into the distance that you can't even tell where the blue of the water (32) ________ the blue of the sky.           The...
Đọc tiếp

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35.

ORESUND BRIDGE

          Imagine driving along a bridge that is so long that you can't even see the other end. The Oresund Bridge, one of the longest bridges in the world, (31)________so far ahead into the distance that you can't even tell where the blue of the water (32) ________ the blue of the sky.

          The Oresund Bridge is an amazing example of modern engineering design that links the Scandinavian countries of Denmark and Sweden. It is 8 kilometers long and was (33) ________in July 2000. It crosses the Flinte Channel, the chilly waterway (34) ________the two countries.

          At one stage the bridge turns into a tunnel under the sea. This tunnel is also a record breaker in its own right as it is the longest road and rail tunnel in the world. The engineers built an artificial island near the Danish coast that (35) ________support part of the bridge structure, as well as being the point at which the road disappears underground, before coming out in Copenhagen, the capital of Denmark

Điền vào ô số 31

A. travels

B. leans

C. stretches

D. pulls

1
6 tháng 1 2019

Đáp án C

Travel: đi lại

Lean: nghiêng

 Stretch: trải dài

Pull: kéo

Imagine driving along a bridge that is so long that you can't even see the other end. The Oresund Bridge, one of the longest bridges in the world, (31) ________ so far ahead into the distance that you can't even tell where the blue of the water (32)________ the blue of the sky. [Hãy tưởng tượng việc lái xe dọc cây cầu quá dài đến nỗi mà không thấy được tận cùng. Cầu Oresund, một trong những cây câu dài nhất thế giới, trải dài về phía trước rất xa đến nỗi mà bạn  thậm chí không thể biết đâu là màu xanh của nước....màu xanh của trời.] 

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35.ORESUND BRIDGE          Imagine driving along a bridge that is so long that you can't even see the other end. The Oresund Bridge, one of the longest bridges in the world, (31)________so far ahead into the distance that you can't even tell where the blue of the water (32) ________ the blue of the sky.          The...
Đọc tiếp

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35.

ORESUND BRIDGE

          Imagine driving along a bridge that is so long that you can't even see the other end. The Oresund Bridge, one of the longest bridges in the world, (31)________so far ahead into the distance that you can't even tell where the blue of the water (32) ________ the blue of the sky.

          The Oresund Bridge is an amazing example of modern engineering design that links the Scandinavian countries of Denmark and Sweden. It is 8 kilometers long and was (33) ________in July 2000. It crosses the Flinte Channel, the chilly waterway (34) ________the two countries.

          At one stage the bridge turns into a tunnel under the sea. This tunnel is also a record breaker in its own right as it is the longest road and rail tunnel in the world. The engineers built an artificial island near the Danish coast that (35) ________support part of the bridge structure, as well as being the point at which the road disappears underground, before coming out in Copenhagen, the capital of Denmark

Điền vào ô số 32

A. comes

B. meets

C. lines

D. starts

1
5 tháng 1 2017

Đáp án B

Come: đến

Meet: gặp nhau

Line: kẻ dòng

Start: bắt đầu

that you can't even tell where the blue of the water (32) ________ the blue of the sky. [ bạn thậm chí không thể biết màu xanh của nước và mà xanh của trời giao nhau ở đâu]

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35.ORESUND BRIDGE          Imagine driving along a bridge that is so long that you can't even see the other end. The Oresund Bridge, one of the longest bridges in the world, (31)________so far ahead into the distance that you can't even tell where the blue of the water (32) ________ the blue of the sky.          The...
Đọc tiếp

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35.

ORESUND BRIDGE

          Imagine driving along a bridge that is so long that you can't even see the other end. The Oresund Bridge, one of the longest bridges in the world, (31)________so far ahead into the distance that you can't even tell where the blue of the water (32) ________ the blue of the sky.

          The Oresund Bridge is an amazing example of modern engineering design that links the Scandinavian countries of Denmark and Sweden. It is 8 kilometers long and was (33) ________in July 2000. It crosses the Flinte Channel, the chilly waterway (34) ________the two countries.

          At one stage the bridge turns into a tunnel under the sea. This tunnel is also a record breaker in its own right as it is the longest road and rail tunnel in the world. The engineers built an artificial island near the Danish coast that (35) ________support part of the bridge structure, as well as being the point at which the road disappears underground, before coming out in Copenhagen, the capital of Denmark

Điền vào ô số 35

A. helps

B. aids

C. attempts

D. tries

1
31 tháng 10 2019

Đáp án A

Help + to Vo/ Vo: giúp đỡ, hỗ trợ

Aid: trợ giúp

Attemp: nỗ lực

Try: cố gắng/ thử

At one stage the bridge turns into a tunnel under the sea. This tunnel is also is also a record breaker in its own right as it is the longest road and rail tunnel in the world. The engineers built an artificial island near the Danish coast that (35) _________support part of the bridge structure, as well as being the point at which the road disappears underground, before coming out in Copenhagen, the capital of Denmark. [Có một đoạn cầu xoay về một đường hầm đươi biển. Đường hầm này cũng đã phá kỷ lục là con đường dài nhất và tuyến đường hầm dài nhất trên thế giới. Các kỹ sư đã xây dựng một hòn đảo nhân tạo gần vùng duyên hải Đan Mạch cái mà giúp hỗ trợ phần kết cấu cầu, cũng như điểm mà con đường biến mất trên mặt đất, trước khi xuất hiện ở Copenhagen, thủ đô của Đan Mạch] 

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35.ORESUND BRIDGE          Imagine driving along a bridge that is so long that you can't even see the other end. The Oresund Bridge, one of the longest bridges in the world, (31)________so far ahead into the distance that you can't even tell where the blue of the water (32) ________ the blue of the sky.          The...
Đọc tiếp

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35.

ORESUND BRIDGE

          Imagine driving along a bridge that is so long that you can't even see the other end. The Oresund Bridge, one of the longest bridges in the world, (31)________so far ahead into the distance that you can't even tell where the blue of the water (32) ________ the blue of the sky.

          The Oresund Bridge is an amazing example of modern engineering design that links the Scandinavian countries of Denmark and Sweden. It is 8 kilometers long and was (33) ________in July 2000. It crosses the Flinte Channel, the chilly waterway (34) ________the two countries.

          At one stage the bridge turns into a tunnel under the sea. This tunnel is also a record breaker in its own right as it is the longest road and rail tunnel in the world. The engineers built an artificial island near the Danish coast that (35) ________support part of the bridge structure, as well as being the point at which the road disappears underground, before coming out in Copenhagen, the capital of Denmark

Điền vào ô số 34

A. splitting

B. cutting

C. breaking

D. separating

1
19 tháng 6 2019

Đáp án D

Split: to divide into two or more parts [split the profits, split the class into groups] : chia nhỏ ra

 cut: cut the apple in half, reduce [cut costs]: cắt

separate: to be between two people, areas, countries, etc. so that they are not touching or connected: chia cắt, chia tách

breaking: vỡ vụn, tan vỡ

It crosses the Flinte Channel, the chilly waterway (34) ________ the two countries. [ Nó đi qua kênh đào Flinte, dòng nước lạnh lẽo chia cắt hai đất nước]

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35.ORESUND BRIDGE          Imagine driving along a bridge that is so long that you can't even see the other end. The Oresund Bridge, one of the longest bridges in the world, (31)________so far ahead into the distance that you can't even tell where the blue of the water (32) ________ the blue of the sky.          The...
Đọc tiếp

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 31 to 35.

ORESUND BRIDGE

          Imagine driving along a bridge that is so long that you can't even see the other end. The Oresund Bridge, one of the longest bridges in the world, (31)________so far ahead into the distance that you can't even tell where the blue of the water (32) ________ the blue of the sky.

          The Oresund Bridge is an amazing example of modern engineering design that links the Scandinavian countries of Denmark and Sweden. It is 8 kilometers long and was (33) ________in July 2000. It crosses the Flinte Channel, the chilly waterway (34) ________the two countries.

          At one stage the bridge turns into a tunnel under the sea. This tunnel is also a record breaker in its own right as it is the longest road and rail tunnel in the world. The engineers built an artificial island near the Danish coast that (35) ________support part of the bridge structure, as well as being the point at which the road disappears underground, before coming out in Copenhagen, the capital of Denmark

Điền vào ô số 33

A. done

B. ended

C. brought

D. completed

1
25 tháng 7 2019

Đáp án D

Done: đã làm xong

Ended: kết thúc

Brought: mang lại

Completed: hoàn thành

The Oresund Bridge is an amazing example of modern engineering design that links the Scandinavian countries of Denmark and Sweden. It is 8 kilometers long and was (33) ________in July 2000. [ Cầu Oresund là một ví dụ kinh ngạc của thiết kế kiến trúc hiện đại cái mà kết nối những nước Bắc Âu  của Đan Mạch và Thụy Sĩ. Nó dài 8 km và được hoàn thành vào tháng 7 năm 2000. ]

9 tháng 2 2016

viết tiếng việt ra đi duyetj nha