删除：把多余的词用斜线（＼）划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
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。
设函数f（x）在R上存在导数f′（x），∀x∈R，有f（﹣x）+f（x）=x2，在（0，+∞）上f′（x）＜x，若f（4﹣m）﹣f（m）≥8﹣4m．则实数m的取值范围为（ ）
）并在其下面写出该加的词。 ）并在其下面写出该加的词。 ）并在其下面写出该加的词。