Câu hỏi:
18/03/2020 1,088* Read the following passage and mark the letter A, R, C, or D on your answer sheet to indicate the correct answer to each of the questions from 24 to 30.
People have been donating blood since the early twentieth century to help accident victims and patients undergoing surgical procedures. Usually a pint of whole blood is donated, and it is then divided into platelets, white blood cells, and red blood cells. People can donate blood (for red blood cells) about once every two months.
Transfusing the blood from the donor to the recipient is straightforward. It involves taking the blood from a donor’s arm vein by means of a hypodermic syringe. The blood flows down from the container by gravity. This is a slow process and may last as long as 2 hours to complete the infusion of blood into the recipient. The patient is protected from being infected during the transfusion. Only sterile containers, tubing, and needles are used, and this helps ensure that transfused or stored blood is not exposed to disease causing bacteria.
Negative reactions to transfusions are not unusual. The recipient may suffer an allergic reaction or be sensitive to donor leukocytes. Some may suffer from an undetected red cell incompatibility. Unexplained reactions are also fairly common. Although they are rare, other causes of such negative reactions include contaminated blood, air bubbles in the blood, overloading of the circulatory system through administration of excess blood, or sensitivity to donor plasma or platelets.
Today, hospitals and blood banks go to great lengths to screen all blood donors and their blood. All donated blood is routinely and rigorously tested for diseases, such as HIV, hepatitis B, and syphilis. When the recipient is a newborn or an infant, the blood is usually irradiated to eliminate harmful elements. Donated blood is washed, and the white blood cells and platelets removed.
Storing the blood sometimes requires a freezing process. To freeze the red blood cells, a glycerol solution is added. To unfreeze the, the glycerolis removed. The ability to store blood for long periods has been a boon to human health.
What answer choice is closest in meaning to the word “undetected”?
Đáp án chính xác
Câu hỏi trong đề:
30 đề thi thử đề thi thử THPTQG môn Tiếng Anh có lời giải chi tiết !!
Sách mới 2k7: Tổng ôn Toán, Lí, Hóa, Văn, Sử, Địa…. kỳ thi tốt nghiệp THPT Quốc gia 2025, đánh giá năng lực (chỉ từ 110k).
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Trả lời:
Giải bởi Vietjack
Câu đề bài: Câu trả lời nào có nghĩa gần nhất với từ “không bị phát hiện ”?
Đáp án C: không tìm thấy
Các đáp án còn lại:
A. không minh họa được B. không bắt được
D. không muốn
Thông tin trong bài:
Some may suffer from an undetected red cell incompatibility.
Một vài người còn mắc phải sự không tương hợp tế bào hồng cầu không được phát hiện.
Undetected = not found or discovered.
Nhà sách VIETJACK:
CÂU HỎI HOT CÙNG CHỦ ĐỀ
Câu 1:
* Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following question.
You must drive it home to him that spending too much time playing computer games will do him no good.
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18/03/2020
31,626
Câu 2:
* Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
The weather was so dismal that they had to cancel the picnic immediately.
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18/03/2020
21,246
Câu 3:
* Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
We cannot create a rule-based ASEAN. We don’t have means of drafting,
interpreting and enforcing rules.
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18/03/2020
17,947
Câu 4:
* Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges.
“What qualities do you have that make you a suitable candidate for this post?”
“________”
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18/03/2020
16,583
Câu 5:
* Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction in each of the following questions.
When I got to the cinema Jack had been waiting for me.
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16/03/2020
12,682
Câu 6:
* Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction in each of the following questions.
Endemic diseases are diseases that habitual infect only those persons living within certain geographical limits.
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18/03/2020
10,454
Câu 7:
* Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.
1 don’t mind whether we go to the seaside or not this year.
Xem đáp án »
18/03/2020
9,875
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