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Câu 6: 4,8 m3 =.................dm3 5 m3 27 dm3 =..................m3 Câu 7: Đặt tính rồi tính: 87,5 : 1,75 Câu 8: a) 2 m3 12 dm3 =.........m3 b) 1 m3 5 dm3 =..............m3 c) 1 3/4 giờ =.................giờ d) 2 giờ 48 phút =.............giờ
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II. Read the passage carefully, then decide whether the following statements are true (T) or false (F). LEARNING ENGLISH It is not easy for adult students of English to improve their accent. Unlike children, who are flexible, adults often find it hard to change the way they speak. This is why even the top or smartest adult students have difficulty with pronunciation. There are several things that an international student can do to improve his or her pronunciation. One method is to sign up for a pronunciation class. Studying pronunciation can help students to understand the rules of English, but in order to practice speaking, students often need to be exposed to English outside the classroom as well. This is why many students say that studying in an English-speaking country greatly affects their English. Living with native speakers can help students to learn new vocabulary as well as improve their accents. International students can also learn important cultural information. This can help to prevent misunderstandings that can occur when people from different cultures live together. 1. Adult students of English cannot improve their accents because they are slow to change. 2. Most young students are able to change their pronunciation easily. 3. Attending a pronunciation class can be very helpful to adult learners who have problems with their pronunciation. 4. All that they need to improve their pronunciation is to practice more outsidethe classroom. 5. To avoid misunderstandings about cultures, students should live with native speakers.

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