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Câu hỏi:
According to the passage, how do the fiberscopes used today differ from those used in five years ago?
- A. They use brighter light.
- B. They are longer.
- C. They contain more fibers.
- D. They are larger in diameter.
Lời giải tham khảo:
Đáp án đúng: C
Đáp án C
Phương pháp giải:
Kiến thức: Đọc hiểu – chi tiết
Giải chi tiết:
Theo đoạn văn, kính soi sợi được sử dụng ngày nay khác với kính được sử dụng trong 5 năm trước như thế nào?
A. Chúng sử dụng ánh sáng sáng hơn.
B. Chúng dài hơn.
C. Chúng chứa nhiều sợi hơn.
D. Chúng có đường kính lớn hơn.
Thông tin: During the last five years, improved methods of fabricating optical fibers have led to a reduction in fiberscope diameter and an increase in the number of fibers, which in turn has increased resolution.
Tạm dịch: Trong 5 năm qua, các phương pháp chế tạo sợi quang học được cải tiến đã làm giảm đường kính ống soi và tăng số lượng sợi, do đó độ phân giải tăng lên.
Câu hỏi này thuộc đề thi trắc nghiệm dưới đây, bấm vào Bắt đầu thi để làm toàn bài
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