1 giờ con ốc sên bò được 50cm,con rùa bò được 3m.hỏi con rùa đi được quãng đường gấp bao nhiêu lần con ốc sên

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Earth, our beautiful home planet, is the only astronomical object to accommodate life as we know it. Scientists believe Earth was formed approximately 4.5 billion years ago. It is the fifth-largest planet in our solar system. Its equatorial diameter is about 12,074 kilometres. Earth is the third-closest planet to the sun. The distance from Earth to the sun is roughly 149,600,000 kilometres. It takes 365.3 days for Earth to orbit the sun, and 24 hours to rotate on its axis. The surface temperature ranges from -88 to 58°C. Nearly 70 percent of Earth’s surface is covered by ocean, which has an average depth of about 4 kilometres. In 2015 it was estimated that 7.3 billion humans are living on Earth. 26. As we know it, Earth is the only planet that accommodates life. It is …… A. habitat B. habitual C. habitable D. habit 27. In our solar system, ………….. planets are larger than Earth. A. four B. three C. two D. five 28. There are ………………… planets between Earth and the sun. A. four B. two C. three D. one 29. The hottest place on Earth may have the temperature of …………….. A.-88°C B. 40°C C. 58°C D. 85°C 30. It takes ……………………… for Earth to rotate on its axis. A. one day B. one month C. one year D. one week Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to the following exchange. (from 31 to 32) 31: I think we should use less paper so that we can save tres in the forests. –“………………..” A. Congratulations B. yes,I’d love to C. That’s a good idea D. It’s nice of you to say so 32: . John " I've passed my final exams " - Tom ".............." A. That's a good idea B. It's nice of you to say so C. Congratulatons ! D. Good luck !

Give the correct form of the verbs given to finish the sentences. 1. You ever (do)........................................... volunteer work? – Yes, I (join).................................. my school volunteer team last summer. 2. I know a lot about Beijing because I (go)............................. there last summer. 3. You (ride).................................................... into town on your new bike yet? 4. They (not arrive)................................................. yet, but they should be here soon. 5. It’s the first time I (get)........................................... all the answer right in a test. 6. She (start).................................. doing the gardening an hour ago, and she (not finish) .......................................... yet. 7. I think we (collect).......................................... two hundred books so far. 8. They (offer)........................................ meals at 5,000VND for the poor yesterday. 9. They (not clean)........................................... up the beach yet. 10.Mrs Tram (make)............................................. blankets for street children since 2002. 11.We (not raise).............................................. not enough money in the program last year. 12.Phuc already (do)........................................................... some volunteer work. 13.You (visit) .............................................................. the elderly people in the nursing homes three days ago? 14.We (start)...................................... the community garden project in 2010. 15.My sister (tutor)............................. young children from poor families for eight months. 16.Hoa and Van (cook)........................... meals at shelter for homeless people many times. 17.Eating fruit and vegetables every day (be)............................. very healthy. 18.Hoa thinks that it (rain)............................................. next weekend. 19.They (not like)....................................... cooking at weekends. 20.Mr Thanh (not do).................................... gardening every day. 21.Do you like (make).................................... models? 22.We enjoy (listen)................................ to music in our free time. 23.Hoa hates (climb)..................................... mountains. 24.They dislike (watch).............................. cartoon. 25.He loves (read)......................................... Tuoi Tre Magazine. 26.Miss White (go)......................................... to Da Nang next summer. 27.In the future, we (live)....................................... in tall building. 28.We (already paint)................................................ a mural over the graffiti. 29.Nam (donate)....................................... his blood last Sunday morning. 30.My friends (talk).......................................... to the elderly at present.