The Air Up There |
http://www.sina.com.cn 2005/09/28 22:15 《第一英语》杂志 |
Breathe in. Breathe out. Ready? Try to answers these questions about the air and find the answers in the word find. 1. Everyday a person needs 550 liters of ___________. 2. It took 1.5 _______ years to make enough oxygen for humans to breathe. 3. If there is not enough oxygen in the air, you will feel very __________. 4. This planet’s air is mostly carbon dioxide. 5. When you ________ you breathe less often. 6. When you ________ you breathe more. 7. Relax. Take a deep ___________. 8. A person breathes in and out 15 to 20 times a ________. 9. Don’t light that match! Oxygen can _______ very easily. 10. The United States agency that sends astronauts into space. S E F T U Z E B H O R I L P T P B W H N P R I B E K I U L Z N T I Z Z L E X R L N B G P P A S D P N E Y E I T P G V Q Z G A D R P L M I G R O O P S T F C L A H F I X X A A E O I I R T W Y M E A H Y V Z O S A G Y V X U L Q X X N F E I Y P U S S U E C K N R O O C E H J V R Y J J B U M C H Answers: 1. oxygen 2. billion 3. tired 4. Mars 5. sleep 6. exercise 7. breath 8. minute 9. burn 10. NASA + + + + + + + + B + + + P + + + + + + U + + + + E + + + + + R + + + + + E + + + + N + + + + + + L X + + + O T + + + + + S + E B + I X + + + + + R + + R R L + Y + + + + A + + E C L + + G + + + M + D A M I N U T E + + + + + T + B S A S A N + + + + H + + + E + + + + + + + + + + + + + + + + |
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