阅读理解。 |
During the day we work and play; at night we sleep. Our bodies rest while we sleep. In the morning we |
1. Our bodies grow most while we are . |
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A. eating B. playing C. sleeping D. waking |
2. Which is the best air for us? |
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A. Hot air B. Cool air C. Warm air D. Dry air |
3. Too little sleep makes us . |
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A. happy B. hungry C. tired D. grow |
4. How much sleep should boys and girls of nine ears have every night? |
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A. Eight hours B. Nine hours C. Ten hours D. Eeven hours |
5. What do the lungs need most? |
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A. Fresh air B. Food C. Rest D. Exercise |