问题
填空题
Look and write.（看一看，把图片的序号填在单词旁的括号内）
1. classroom ( ) 2. playground ( ) 3. library ( )
4. canteen ( ) 5. teacher's office ( ) 6. garden ( )
答案
1. A 2. F 3. B 4. C 5. D 6. E
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Look and write.（看一看，把图片的序号填在单词旁的括号内）
1. classroom ( ) 2. playground ( ) 3. library ( )
4. canteen ( ) 5. teacher's office ( ) 6. garden ( )
1. A 2. F 3. B 4. C 5. D 6. E
5C02 (g)+H2 (g)△H>0