问题
填空题
（a+b）2﹣（ ）=（a﹣b）2．
答案
4ab
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（a+b）2﹣（ ）=（a﹣b）2．
4ab
| 在右栏中选出左栏句子相应的答语。 |
| ( ) 1. Can I borrow your pencil? ( ) 2. What's the matter? ( ) 3. Which one do you like? ( ) 4. How tall are you? ( ) 5. Where is the hospital? ( ) 6. Are you from Canada? ( ) 7. What time do you get up? ( ) 8. How many rulers are there? ( ) 9. What's your name? ( ) 10. Do you have any money? | A. I'm 150 centimeters tall. B. Yes, I am. C. No, I don't. D. I get up at 6: 45. E. My name is Bill. F. Yes, you can. G. It's near the post office. H. I like the yellow one. I. I've got a fever. J. There are eight rulers. |