问题
选择题
下 * * 角形中,是直角三角形的是[ ]
A.三角形的三边满足关系a+b=c
B.三角形的三边比为1∶2∶3
C.三角形的一边等于另一边的一半
D.三角形的三边为9,40,41
答案
答案:D
下 * * 角形中,是直角三角形的是[ ]
A.三角形的三边满足关系a+b=c
B.三角形的三边比为1∶2∶3
C.三角形的一边等于另一边的一半
D.三角形的三边为9,40,41
答案:D
阅读理解。 | |||||||
What is your wish for the New Year? The following is some children's ideas.
| |||||||
1. How many children have mentioned their parents in the passage? | |||||||
A. All. B. Four. C. Three. D. None. | |||||||
2. Who is badly ill among the children? | |||||||
A. Kate. B. Peter. C. Mary. D. Bob. | |||||||
3. What's Mark's wish? | |||||||
A. To get better grades. B. To change his-school. C. To buy some presents. D. To fix their house. |