giải câu 1,câu2,câu3

`\color{#145277}{N}\color{#246483}{a}\color{#34768F} {e}\color{#44889B}{u}\color{#539AA7}{n}` 

`bb\(1.A)` (NOT mentioned `->` loại trừ các phương án có đề cập)

`-` Câu `bb\(B)` : "They called it the first computer as it made calculations" 

`-` Câu `bb\(C)` : "People used it to follow the movements of the Sun and the Moon"

`-` Câu `bb\(D)` : "... to predict eclipses, track the positions of the closest planets and even to track the four-year cycle of the ancient Olympic Games."

`bb\(2.B)` (OPPOSITE `->` Trái nghĩa)

`-` Câu `bb\(A)` : astonishing (a) : lạ lùng, kỳ dị

`-` Câu `bb\(C)` : wonderful (a) : tuyệt vời, kỳ diệu

`-` Câu `bb\(D)` : surprising (a) : bất ngờ, ngạc nhiên

 `=>` unremarkable (a) : Không nổi bật, tầm thường `ne` các từ trên

`bb\(3.B)`

`->` Divers discovered this ancient bronze tool in 1901 in a shipwreck dating from the 1st century BCE, but the device actually dates back to the 2nd century BCE. Modern scientists needed to use X-rays and high-resolution scans to find out what it was, how old it was and what it was used for.