问题
填空题
命题“菱形是对角线互相垂直的四边形”的逆命题是______．
答案
命题“菱形是对角线互相垂直的四边形”的逆命题是“对角线互相垂直的四边形是菱形”．
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命题“菱形是对角线互相垂直的四边形”的逆命题是______．
命题“菱形是对角线互相垂直的四边形”的逆命题是“对角线互相垂直的四边形是菱形”．
| 阅读理解。 |
| Mrs.Brown is English. She is from Manchester. Manchester is a city in the north of England. Now she works in London. She teaches English in a middle school and her students are between 12 and 16 years old. She can speak English and French. She has two children. Her son is 15 years old, and her daughter is 12 years old. She likes to watch movies and sing songs. |
| 1. Mrs. Brown is . |
[ ] |
| A. French B. English C. Chinese D. Canadian |
| 2. Mrs.Brown can speak . |
[ ] |
A. one language (语言) |
| 3. Mrs.Brown comes from ______. |
[ ] |
| A. London B. Manchester C. New York D. Ottawa |
| 4. Mrs.Brown has ______. |
[ ] |
| A. one son and two daughters B. two sons and two daughters C. two sons D. one son and one daughter |
| 5. Mrs.Brown likes ______. |
[ ] |
| A. watching Tv and listening to the radio. B. watching movies and playing on the computer C. listening to the radio and singing song. D. watching movies and singing songs. |