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The author mentioned Iceland in paragraph 3 as an...

Câu hỏi: Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the questions from 36 to 42.
COVID-19, the new coronavirus disease, is spreading rapidly around the world. As of March 25, there are more than 450,000 cases in 196 countries. Public health agencies are advising people not to travel at all and to stay in their homes as much as possible to try to slow the spread of the disease. If there are other people at a destination, you risk getting COVID-19 from them and you risk giving COVID-19 to them. Unless you can magically teleport yourself to a deserted island or mountain top, the only safe place to travel is your backyard or balcony.
Even if you wanted to travel, right now it's almost impossible. Most countries have closed their borders to non-nationals and nonessential travel. Airlines are curtailing flights and stopping business altogether, and many people are desperately trying to find their way back to their home countries from abroad. Several governments have ordered lockdowns and about 20% of the world's population needs a valid reason to leave their homes. In the U.S., at least 100 million Americans are in lockdown. India's population of 1.3 billion is under one of the strictest lockdowns in the world. Travel, even across town, is limited with most governments encouraging residents to stay home. Many public parks, beaches, and restaurants are closed.
While you might think that countries that currently have a low number of cases are safe, they are not. Mild cases of COVID-19 may be what are driving the rapid spread of the disease and we should assume there are many more cases than what's being reported. In Iceland, the country that has tested the largest proportion of its population, half of the people who test positive have no symptoms. Most governments are not able to test all patients who do have symptoms, so there really is no accurate count of how many people in the world have COVID-19.
Some of the world's most vulnerable places are destinations popular for vacations. Countries that host a lot of international travelers were some of the first hit, as are countries where citizens travel a lot. COVID-19 is now spreading into developing countries where many people live with low incomes and where health care systems are underfunded. The virus is also spreading into countries with high numbers of malnourished children, people living with HIV, refugees and other displaced people. These countries are even less able to handle the oncoming cases than Italy, the United States, and Spain, the countries with the highest numbers of COVID-19 cases after China.
(Adapted from https://www.webmd.com/)​
The author mentioned Iceland in paragraph 3 as an example that ____________.
A. you are likely to get infected COVID-19 without any symptoms.
B. no countries are able to test all patients in their countries.
C. mild cases of COVID-19 are the reason why the disease gets worse faster.
D. it's difficult to count how many people in the world have COVID-19.
Tác giả đề cập đến Iceland trong đoạn 3 như một ví dụ rằng __________.
A. bạn có thể bị nhiễm COVID-19 mà không có bất kì triệu chứng nào.
B. không có nước nào có thể kiểm tra hết toàn bộ bệnh nhân trên cả nước.
C. những ca nhiễm COVID- 19 nhẹ là nguyên nhân vì sao dịch bệnh lại lây nhanh hơn.
D. rất khó để thống kê có bao nhiêu người trên thế giới nhiễm COVID-19.
Căn cứ vào thông tin đoạn 3:
In Iceland, the country that has tested the largest proportion of its population, half of the people who test positive have no symptoms. (Ở Iceland, đất nước mà có tỉ lệ người dân đã được kiểm tra lớn nhất, một nửa số người dương tính với bệnh lại không có bất kì triệu chứng nào).
Đáp án A.