在平移、旋转和轴对称这些图形变换下,它们共同具有的特征是( )
A:图形的形状、大小没有改变,对应线段平行且相等
B:图形的形状、大小没有改变,对应线段垂直,对应角相等
C:图形的形状、大小都发生了改变,对应线段相等,对应角相等
D:图形的形状、大小没有改变,对应线段相等,对应角相等
Name
Personal Information
Fei Junlong
Born in 1965 in Jiangsu, China
An astronaut (宇航员)
Traveled in Shenzhou VI in outer space with Nie Haisheng from October 12th to October 17th, 2005
Yao Ming
Born in 1980 in Shanghai, China
The son of two great basketball players
Joined the Houston Rockets (休斯敦火箭队)in June, 2002
Jay Chou
Born in 1979 in Taiwan, China
A popular singer
Favorite music: Hip-Hop
Alfred Nobel
(1833-1896)
Born in Sweden
A scientist
Known for the Nobel Prizes
Helen Keller
(1880-1968)
Not able to see or hear
Worked hard and became one of the famous writers in America
Wrote a lot, such as The Story of My Life
根据材料内容,选择最佳答案。
注意:1.词数100左右;2.可以适当增加细节,以使行文连贯。
Dear Ms Jenkins,
Yours,
Li Hua
A.放下自我,彼此尊重; B.放下利益,彼此平衡;
C.放下性格,彼此成就; D.合理竞争,合作双赢.
要求每人选取其中一个观点写出自己的感悟.根据同学们的选择情况,小明绘制了下面两幅不完整的图表,请根据图表中提供的信息,解答下列问题:
观点
频数
频率
A
a
0.2
B
12
0.24
C
8
b
D
20
0.4