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一. 写出这些单词的汉语意义。
1. sang ___________ 2. scientist ___________ 3. season __________
4. seem __________ 5. seen ___________ 6. send ______________
7. several __________ 8. shape__________ 9. shout __________
10. silence ___________ 11. simple _________ 12. since _________
13. slo _________ 14. smoke ____________ 15. snake __________
16. sound _________ 17. space __________ 18. special _________