EXERCISE 4:Read the following passage and mark the letter A, B, C, or D to indicate the correct ans

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EXERCISE 4:Read the following passage and mark the letter A, B, C, or D to indicate the correct answer to each of the question. Alaska is disappearing slowly, but surely. It is estimated that since the 19505, as much as fifteen percent of Alaska's land area has disappeared. How can a whole state be disappearing? The problem is that Alaska’s glaciers are melting. The state has more than 100,000 glaciers. These glaciers account for about 75,000 square kilometers, or five percent, of the state’s area. That is an area of land larger than Ireland! According to a recent report by the US Geological Survey, ninety-nine percent of Alaska's glaciers are either retreating or diminishing. This diminishing seems mainly due to the increase in global temperatures. Since the 19605, the average year-round temperature has increased by almost 3°C. Additionally, the average winter temperature has increased by over 6°C. Presently, an estimated 100 cubic kilometers of ice is disappearing from Alaskan glaciers every year. It may be even more in the near future, as some scientists predict that the average world temperature could go up 4 to 7°C by the year 2100. Another problem facing Alaska is its thawing permafrost. Much of the land in Alaska used to be permanently frozen or frozen for most of the year. Now, the thawing permafrost is causing a number of problems for people living in Alaska. Roads and utility poles are collapsing as the ground around and under them warms and soften. Also, the hard permafrost that originally prevented beaches from eroding during violent storms is now melting. People who live along Alaska's coasts are being forced to relocate. For villages on small low islands, one terrible storm could wipe out the entire community. The melting permafrost and increasing temperatures are both affecting the forests of Alaska. As the permafrost under the forests melts, insects that normally do not turn up until the warmer seasons are appearing sooner. The spruce-bark beetle, for example, is increasing in numbers as a result of warmer winter temperatures. It usually takes about two years for these beetles to grow and reproduce in. very cold weather. However, due to the increase in temperatures, spruce-bark beetles are reproducing faster and damaging as many trees in one year as they previously damaged in two. If something cannot be done to change things, Alaska's forests will not survive the turn of the century. Some scientists believe that human activity is linked to a global increase in weather temperature. Whatever the cause of rising temperatures may be, the fact remains that temperatures are warming, affecting Alaska for the worse. Horribly, this could be a preview of what will happen to the rest of the world in the next century. Question 19: Which of the following could be the main topic of the passage? A. Alaska’s glaciers are reducing. B. The reasons Why Alaska is disappearing. C. The areas of Alaska’s glaciers are thawing. D. The problems Alaska is facing. Question 20: As mentioned in the first paragraph, the glaciers in Alaska made up . A. over 100,000 square kilometers B. more than 75,000 square kilometers C. about 5 % of the area of the state D. an area smaller than Ireland Question 21: According to the report by the US Geological Survey, which of the following is NOT true about Alaska? A. Climate change is the major reason for the decrease of Alaska’s glaciers. B. The average winter temperature has risen by nearly 3°C. C. Every year, there is about 100 cubic kilometers of ice melting. D. The majority of Alaska’s glaciers are lessening. Question 22: The word “permafrost” in the third paragraph mostly means . A. an area of land permanently frozen below the surface B. fuels formed underground from plants and animals remains millions of years ago C. a large mass of ice that moves slowly D. a very large mass of ice that ﬂoats in the sea Question 23: The word "relocate" in paragraph 3 is closest in meaning to . A. remain B. restore C. disappear D. displace Question 24: According to the passage, the following are the problems caused by the melting permafrost, EXCEPT . A. The warm and soft ground makes roads and utility poles easy to collapse. B. The beaches are effortlessly eroded by violent storms. C. The insects which usually appear in warmer temperature do not come back. D. The trees destroyed by the spruce—bark beetles in one warm year are twice as many as those damaged in a cold year. Question 25: What does the word “they” in paragraph 4 refer to? A. trees B. spruce-bark beetles C. temperatures D. insects Question 26: What is predicted in the last paragraph? A. Human activities are likely to increase the weather temperature. B. The Earth is getting worse due to the inﬂuences of global warming. C. There will be other reasons why the temperature is rising. D. Alaska's forests will disappear in the next century.

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Question 19: The main topic of the passage could be D. The problems Alaska is facing.

Question 20: As mentioned in the first paragraph, the glaciers in Alaska made up C. about 5 % of the area of the state.

Question 21: According to the report by the US Geological Survey, B. The average winter temperature has risen by nearly 3°C is NOT true about Alaska.

Question 22: The word “permafrost” in the third paragraph mostly means A. an area of land permanently frozen below the surface.

Question 23: The word "relocate" in paragraph 3 is closest in meaning to D. displace.

Question 24: According to the passage, the following are the problems caused by the melting permafrost, EXCEPT C. The insects which usually appear in warmer temperature do not come back.

Question 25: The word “they” in paragraph 4 refers to B. spruce-bark beetles.

Question 26: What is predicted in the last paragraph is B. The Earth is getting worse due to the influences of global warming.

thanhmai15

30/11/2023

Question 19: D. The problems Alaska is facing.
Question 20: C. about 5% of the area of the state
Question 21: B. The average winter temperature has risen by nearly 3°C.
Question 22: A. an area of land permanently frozen below the surface
Question 23: D. displace
Question 24: C. The insects which usually appear in warmer temperature do not come back.
Question 25: B. spruce-bark beetles
Question 26: B. The Earth is getting worse due to the inﬂuences of global warming.

nunu11

30/11/2023

10- 8H Lưu Mỹ Quyên Niê Kdăm 19d 20c 21b 22a 23d 24c 25b 26b

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30/11/2023

10- 8H Lưu Mỹ Quyên Niê Kdăm19d 20c 21b 22a 23d 24c 25b 26b

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