A. traffic light
Đáp án đúng: D
Thông tin: Light pollution is unwanted light, such as the light of cities, street lights, and others makes it hard to see the stars.
Thông tin: Ô nhiễm ánh sáng là ánh sáng không mong muốn, chẳng hạn như ánh sáng của thành phố, đèn đường và những thứ khác khiến bạn khó nhìn thấy các vì sao.Gói VIP thi online tại VietJack (chỉ 400k/1 năm học), luyện tập gần 1 triệu câu hỏi có đáp án chi tiết
Read the passage and choose the correct answer for each question
Christmas is the biggest festival of the year in most of Britain. Celebrations start properly on December 24, Christmas Eve, although there have been several weeks of preparation beforehand. The Christmas tree and all the presents, food, drink and decorations have been bought. Christmas cards have already been sent to friends and relations. About a week before Christmas, people usually put up their decorations and decorate the Christmas tree with lights, various colored decorations and an angel on the top. Family presents are usually put under the tree.Read the passage and choose the correct answer for each question
Children’s education is changing rapidly today. In the past, teachers made children sit still for hours. They made them memorize all sorts of things. In other words, children had to go on repeating things until they knew them by heart. Today, many teachers wonder if it possible to make children learn at all. They say you can only help them learn. They say you must let children learn and discover things for themselves.What did teachers make children do in the past?