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Red Alert: Volcanoes

Volcanoes can be fun to learn about. It can be neat to watch them erupt. But if you live near a volcano, you know that they are dangerous! An eruption can like an explosion. Rock and lava can throw up into the air. Streams of red hot lava quickly run down from the peak of the volcano. The air is filled with deadly gases. These things can put many lives in danger. Scientists have learned that there are many things that they can study to help them tell when an eruption might happen. They can study the movements of the ground. When a volcano is about to erupt, the ground will often move just like it does during an earthquake. Scientists can also measure the gases that come out of a volcano. Most volcanoes emit gases all of the time. More gases are let out as the volcano gets closer to erupting. They can also study the way the land and water around the volcano. Scientists can read these signs and warn people of danger. They may not realize it, but their work helps to keep people safe!

1. Read the passage and choose the best answer A, B,Cor D toeach question below. 1. In the passage, a volcanic eruption is compared as .

A.an explosion

B.an exploration

C.a bomb

D.a danger

2. can come out from a volcanic eruption.

A. Rock

B.Lava

C.Gases

D.All above

3. can study many things to predict when an eruption might happen.

A.Economists

B.Scientists

C.People

D.Biologists

4. There are ways for studying to estimate the time an eruption might happen.

A. 1

B. 2

C. 3

D. 4

5. When an eruption is going to happen, .

A.the ground moves as it does during an earthquake.

B.the gases don't come out of it more than usual.

C.only the water around it changes.

D.the ground moves slowly and weakly.

1
14 tháng 5 2021

1 A
2 D
3 B
4 D
5 A 

Read the following passage, and answer the questions that followOn April 30, 2018 the Pu’u ‘O’o crater on Hawaii’s Kilauea volcano, suddenly collapsed. It was the starting point for the volcano’s months long eruption, which went on to produce 320,000 Olympic-sized swimming pools’ worth of lava that transformed the landscape and ultimately destroyed 700 homes.A volcanic eruption occurs when hot materials from the Earth's interior are thrown out of a volcano. Some eruptions are...
Đọc tiếp

Read the following passage, and answer the questions that follow

On April 30, 2018 the Pu’u ‘O’o crater on Hawaii’s Kilauea volcano, suddenly collapsed. It was the starting point for the volcano’s months long eruption, which went on to produce 320,000 Olympic-sized swimming pools’ worth of lava that transformed the landscape and ultimately destroyed 700 homes.

A volcanic eruption occurs when hot materials from the Earth's interior are thrown out of a volcano. Some eruptions are terrible explosions that throw out huge amounts of rock and volcanic ash and can kill many people. Some are quiet outflows of hot lava. Several more complex types of volcanic eruptions have been described by volcanologists. These are often named after famous volcanoes where that type of eruption has been seen. Some volcanoes may show only one type of eruption during a period of activity, while others may show a range of types in a series.

When did the Pu’u ‘O’o crater on Hawaii’s Kilauea volcano collapse?

___________________________________________________________

1
19 tháng 12 2019

Đáp án: It collapsed on April 30, 2018.

Read the following passage, and answer the questions that followOn April 30, 2018 the Pu’u ‘O’o crater on Hawaii’s Kilauea volcano, suddenly collapsed. It was the starting point for the volcano’s months long eruption, which went on to produce 320,000 Olympic-sized swimming pools’ worth of lava that transformed the landscape and ultimately destroyed 700 homes.A volcanic eruption occurs when hot materials from the Earth's interior are thrown out of a volcano. Some eruptions are...
Đọc tiếp

Read the following passage, and answer the questions that follow

On April 30, 2018 the Pu’u ‘O’o crater on Hawaii’s Kilauea volcano, suddenly collapsed. It was the starting point for the volcano’s months long eruption, which went on to produce 320,000 Olympic-sized swimming pools’ worth of lava that transformed the landscape and ultimately destroyed 700 homes.

A volcanic eruption occurs when hot materials from the Earth's interior are thrown out of a volcano. Some eruptions are terrible explosions that throw out huge amounts of rock and volcanic ash and can kill many people. Some are quiet outflows of hot lava. Several more complex types of volcanic eruptions have been described by volcanologists. These are often named after famous volcanoes where that type of eruption has been seen. Some volcanoes may show only one type of eruption during a period of activity, while others may show a range of types in a series.

Do all volcanoes display only one type of eruption during a period of activity?

____________________________________________________________

1
15 tháng 2 2019

Đáp án: No, they don’t.

Read the following passage, and answer the questions that followOn April 30, 2018 the Pu’u ‘O’o crater on Hawaii’s Kilauea volcano, suddenly collapsed. It was the starting point for the volcano’s months long eruption, which went on to produce 320,000 Olympic-sized swimming pools’ worth of lava that transformed the landscape and ultimately destroyed 700 homes.A volcanic eruption occurs when hot materials from the Earth's interior are thrown out of a volcano. Some eruptions are...
Đọc tiếp

Read the following passage, and answer the questions that follow

On April 30, 2018 the Pu’u ‘O’o crater on Hawaii’s Kilauea volcano, suddenly collapsed. It was the starting point for the volcano’s months long eruption, which went on to produce 320,000 Olympic-sized swimming pools’ worth of lava that transformed the landscape and ultimately destroyed 700 homes.

A volcanic eruption occurs when hot materials from the Earth's interior are thrown out of a volcano. Some eruptions are terrible explosions that throw out huge amounts of rock and volcanic ash and can kill many people. Some are quiet outflows of hot lava. Several more complex types of volcanic eruptions have been described by volcanologists. These are often named after famous volcanoes where that type of eruption has been seen. Some volcanoes may show only one type of eruption during a period of activity, while others may show a range of types in a series.

When does a volcanic eruption occur?

____________________________________________________________

1
15 tháng 3 2017

Đáp án: It occurs when hot materials from the Earth's interior are thrown out of a volcano.

Read the following passage, and answer the questions that followOn April 30, 2018 the Pu’u ‘O’o crater on Hawaii’s Kilauea volcano, suddenly collapsed. It was the starting point for the volcano’s months long eruption, which went on to produce 320,000 Olympic-sized swimming pools’ worth of lava that transformed the landscape and ultimately destroyed 700 homes.A volcanic eruption occurs when hot materials from the Earth's interior are thrown out of a volcano. Some eruptions are...
Đọc tiếp

Read the following passage, and answer the questions that follow

On April 30, 2018 the Pu’u ‘O’o crater on Hawaii’s Kilauea volcano, suddenly collapsed. It was the starting point for the volcano’s months long eruption, which went on to produce 320,000 Olympic-sized swimming pools’ worth of lava that transformed the landscape and ultimately destroyed 700 homes.

A volcanic eruption occurs when hot materials from the Earth's interior are thrown out of a volcano. Some eruptions are terrible explosions that throw out huge amounts of rock and volcanic ash and can kill many people. Some are quiet outflows of hot lava. Several more complex types of volcanic eruptions have been described by volcanologists. These are often named after famous volcanoes where that type of eruption has been seen. Some volcanoes may show only one type of eruption during a period of activity, while others may show a range of types in a series.

How many houses did the volcanic eruption in Hawaii demolish?

____________________________________________________________

1
22 tháng 7 2019

Đáp án: It demolished/ destroyed 700 homes/ houses.

27 tháng 12 2017

Đáp án C

Giải thích: cấu trúc so sánh hơn với trạng từ dài “more + adv + than”

Dịch: Máy tính có thể làm việc với thông tin thậm chí nhanh hơn con người.

14 tháng 5 2017

Đáp án D

Giải thích: work with st: làm việc với cái gì

Dịch: Sau vào giờ thực hành, bạn có thể làm việc với máy tính.

24 tháng 12 2017

Đáp án A

Giải thích: câu chia thời hiện tại đơn

Dịch: Thêm vào đó, hầu hết trường đại học đều có khoá đào tạo máy tính ban ngày và buổi tối.

2 tháng 4 2017

Đáp án A

Giải thích: finally: cuối cùng là

Dịch: Cuối cùng là, máy tính hầu như luôn chính xác.

22 tháng 9 2018

Đáp án D

Giải thích: cấu trúc it is + adj + to V: thật là như thế nào khi làm gì

Dịch: Thật cần thiết khi biết về máy tính.