Câu 4: ( 2 điểm) Vẽ ba điểm A, B, C thẳng hàng sao cho điểm B nằm giữa hai điểm A và C; AC = 6cm; AB = 2cm. Gọi I là trung điểm của đoạn thẳng BC. a) Tính độ dài đoạn thẳng BC. b) Điểm B có là trung điểm của đoạn thẳng AI không? Vì sao?
Read the following passage and mark the letter A, B, C or D to indicate the correct answer to each of the questions.
Nha Trang is one of the most important tourist hubs of Vietnam, thanks to its beautiful beaches with fine and clean sand and the clear ocean water with mild temperature all year round. There are several resorts such as Vinpearl, Diamond Bay and Ana Mandara and amusement and water parks, in the city and on islands off the coast. The possibly most beautiful street of Nha Trang is Tran Phu Street along the seaside, sometimes referred to as the Pacific Coast Highway of Vietnam.
Lying off Nha Trang is the Hon Tre Island (Bamboo Island), with a major resort operated by the Vinpearl Group. The Vinpearl Cable Car, a gondola lift system, links the mainland to the five-star resort and theme park on Hon Tre Island.
Why is Nha trang one of the most important tourist hubs of Viet Nam?
A.
Because it has fine clean sand and mild temperature.
B.
Because it has beautiful beaches and clear water.
C.
Because it has clear ocean water and mild temperature
D.
Because it has beautiful beaches and fine clean sand