when her mother died

　　解析：选B　推理判断题。根据第二段中的"... she was living proof of what she had argued at nine years old that women had a right to study science."可知，当时是不允许妇女学科学的。

　　3．According to the text, Maria was so devoted to maths that she ________.

　　A．forgot everything when she was studying

　　B．spent over ten years writing her most famous book

　　C．never slept while doing researches

　　D．would go on with her study in her dream

　　解析：选D　细节理解题。根据第二段第四、五句可知，她对工作执着到睡觉时也会梦游进书房工作。

　　4．We know from the text that Maria was also a ______ woman.

　　A．kind­hearted　　　　　　　　 B．beautiful

　　C．well­born D．rich

　　解析：选A　推理判断题。根据文章后半部分的描述可知，她为别人做了很多事，说明她不仅是一位伟大的数学家，还是一个"热心的、善良的"人。

　　B

　　Malala Yousafzai is a Pakistani student and education activist who began speaking out for girls' education at the age of 11. After surviving an assassination (暗杀) at the age of 15, she co­founded the Malala Fund (基金会) with her father to create a world where girls everyw

　　here could be educated without fear. Her fund supports every girl's right to 12 years of free, safe, quality education and works mainly in countries such as Pakistan, Afghanistan, India and Nigeria.

　　Malala believes girls are the best investment (投资) in the future peace and further development of our world. It will never be a wrong choice to spend money on girls.

　　In 2014 the Norwegian Nobel Committee awarded Kailash Satyarthi and Malala Yousafzai the Nobel Peace Prize for their fight against the suppression (镇压) of children and young people and for the right of all children to education. Malala became the youngest­ever Nobel Peace Prize winner.

Accepting the award, Malala said, "This award is not just for me. It is for those forgotten children who want education. It is for those frightened children who want peace. It