-
Câu hỏi:
Engineers_____ the finished bionic contact lenses on rabbits for up to twenty minutes.
-
A.
have yet tested
-
B.
have already tested
-
C.
have performed
-
D.
have done
Lời giải tham khảo:
Đáp án đúng: A
Hãy trả lời câu hỏi trước khi xem đáp án và lời giải -
A.
Câu hỏi này thuộc đề thi trắc nghiệm dưới đây, bấm vào Bắt đầu thi để làm toàn bài
QUẢNG CÁO
CÂU HỎI KHÁC
- The Tower Infinity in South Korea is supposed to be the world’s first skyscraper that, for a few hours a day,______ an unobstructed view of the sky
- 3-D_____ is used to produce complex tools and components.
- Engineers_____ the finished bionic contact lenses on rabbits for up to twenty minutes.
- Eastman Kodak Company_____ many OLED equipped products since 1987.
- Wearable sensors, such as the Fitbit, Nike FuelBand and Jawbone UP,______ the most important part of the fitness world for the last few years.
ADMICRO
