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Câu hỏi:

12/07/2024 356

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 following questions.

Scientists have developed a new bionic computer chip that can be mated with human cells to combat disease. The tiny device, smaller and thinner than a strand of hair, combines a healthy human cell with an electronic circuitry chip. Doctors can control the activity of the cell by controlling the chip with a computer.

It has long been established that cell members become permeable when exposed to electrical impulses. Researchers have conducted genetic research for years with a trial-and-error process of bombarding cells with electricity in an attempt to introduce foreign substances such as new drug treatments or genetic material. They were unable to apply a particular level of voltage for a particular purpose. With the new invention, the computer sends electrical impulses to the chip, which triggers the physicians to open a cell’s pores with control.

Researchers hope that eventually they will be able to develop more advanced chips whereby they can choose a particular voltage to activate particular tissues, whether they be muscle, bone, brain, or others. They believe that they will be able to implant multiple chips into a person to deal with one problem or more than one problem.

The word “strand” in the second sentence is closest in meaning to __________.

A. chip

B. type

C. color

D. thread

Đáp án chính xác

Trả lời:

verified Giải bởi qa.haylamdo.com

Đáp án D.

Key word: strand, second sentence, closest in meaning

Clue: “The tiny device, smaller and thinner than a strand of hair”: Một thiết bị rất bé, nhỏ và mỏng hơn cả sợi tóc.

- strand (n): sợi

A. chip (n): vi mạch

B. type (n): kiểu, loại

C. color (n): màu sắc

D. thread (n): sợi

Như vậy chọn D

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