單字測驗
1. stubborn 2. methods 3. gradually 4. bare 5. substances
6. moisture 7. laboratory 8. removed 9. squeeze 10. absorb
11. gently 12. stain 13. secrets 14. crisp 15. situation
16. impression17. contents 18. performance 19. amazement20. effective
片語與句型造句
1. who/whom
2. Rebecca does/did not know what to say.
3. and; so; on
4. Catherine likes fruit, like/such as bananas, strawberries, grapes, and so on.
5. get; rid; of
6. Leah should learn to get rid of old things.
7. by; accident
8. Fred found out about his parents’ secret by accident.
9. had; fun/a good time; playing
10. Patricia has difficulty/problems/trouble/a hard time learning English.
11. wiped; up
12. Clarrissa wiped up the juice she spilled before someone stepped on it.
13. came; off
14. Christopher’s hat came off in the wind.
15. break; down
16. Bradley wants to know how food is broken down in the stomach.
綜合測驗
1. A 2. B 3. C 4. D 5. D 6. C 7. A 8. B 9. B 10. D
課文問答
1. They can keep cookies crisp.
2. It is because they can absorb moisture.
3. They can try using some oil or citrus peel.
4. The organic substances from oil and the acid content from citrus peel can help break down the stains, and thus, make them easier to remove.
5. Science can look like magic when we/people don’t understand it.
閱讀測驗
1. A 2. B 3. D 4. C 5. D
翻譯
1. what; to; eat
2. and; so; on
3. get; rid; of
4. wipe; up
5. Mark read his son’s diary by accident.
6. Sharon had a good time talking with her best friend on the phone last night.
7. Slowly/Gradually, the stain will come off.
8. It turned out that citrus peel can help break down the stain.
寫作練習
B; A; D; E
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