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ljly_9x
[TẶNG BẠN] TRỌN BỘ Bí kíp học tốt 08 môn
Chắc suất Đại học top - Giữ chỗ ngay!!
ĐĂNG BÀI NGAY để cùng trao đổi với các thành viên siêu nhiệt tình & dễ thương trên diễn đàn.
1/ Eli Whitney, born in Westborough, Massachusetts in 1765, was always interested in machines, working in his father's shop, taking apart a watch and putting them back together
A B C D
2/ A group of scientists in Germany found that beetles can accurately measure with its eyes the speed of a moving background
A B C D
3/ A laser is the only device which aim coherent light at an object in a safe and reliable way
A B C D
4/ A great myth has arisen over the years that Columbus was unaware the earth was a circular, when in fact all navigators of the time knew it was
A B C D
A B C D
2/ A group of scientists in Germany found that beetles can accurately measure with its eyes the speed of a moving background
A B C D
3/ A laser is the only device which aim coherent light at an object in a safe and reliable way
A B C D
4/ A great myth has arisen over the years that Columbus was unaware the earth was a circular, when in fact all navigators of the time knew it was
A B C D
