下列各坐标系中是一个函数与其导函数的图象，其中一定错误的是（)
找出下列单词不同类的单词。 （1）A. rice B. soupC. light D. bread （2）A. thin B. longC. short D. sports （3）A. thirty B. pencil C. twenty D. fifty （4）A. bedroomB.doorC. wall D. window （5）A. spoon B. water C. plate D. fork
Where are the keys? A. It’s on the desk. B. they’re on the table. C. They’re on the table.
What can you see in my room? A. I can see a bed. B. It’s nice. C. I have two windows.
What would you like for lunch? A. Yes, I like. B. I’d like some chicken. C. I don’t like rice.
Do you like sports? A. Yes, I don’t. B. Yes, I do. C. No, I do.
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