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问题 解答题

已知9个等腰三角形的顶角和底角度数比是1﹕上，这个三角形中最小的那个角是多少度？

答案

180°×

1
1+4+4
=20°；

答：这个三角形中最小的那个角的度数是20゜．

阅读理解

Hello. I’m Meg. I’m 12 years old. I have a brother and a sister. My brother is 9 and my sister is only 4 years old. I like vegetables and salad. My brother likes tomatoes and my sister likes ice- cream. We love sports. Because doing sports is good for us. We all like tennis very much. Today is my mother’s birthday. Today is January 21st. There’s a big birthday cake on the table. Come to my mother’s birthday party and have some cake.

小题1:How old is Meg’s brother?

                           

小题2:What does Meg like?

                           

小题3:Does Meg’s sister like tennis?

                           

小题4:Where is the birthday cake?

                           

小题5:Translate the underlined sentence into Chinese.(请把划线句子翻译成汉语)

                           
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单项选择题

正确的轮椅坐姿中大小腿之间最合适的角度为

A．90°
B．110°
C．120°
D．130°
E．140°
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