Helen Keller is a source of inspiration for millions.
Helen Keller is a source of inspiration for millions.
When was Helen Adams Keller born?
When was Helen Adams Keller born?
According to Helen Keller, life is either_______ or nothing.
According to Helen Keller, life is either_______ or nothing.
Joan is __________ (急于) to meet Mr. Keller and his family.
Joan is __________ (急于) to meet Mr. Keller and his family.
According to Helen Keller, life is either a daring adventure or nothing.
According to Helen Keller, life is either a daring adventure or nothing.
What made Helen Keller very angry at the age of five?
What made Helen Keller very angry at the age of five?
Helen Adams Keller was an American author, political activist, and lecturer.( )
Helen Adams Keller was an American author, political activist, and lecturer.( )
描述洪水模型的方程组是什么方程组？ A: Keller-Segel 模型 B: 圣-维南方程组 C: 波动方程组 D: 扩散方程组
描述洪水模型的方程组是什么方程组？ A: Keller-Segel 模型 B: 圣-维南方程组 C: 波动方程组 D: 扩散方程组
中国大学MOOC: Helen Keller was the first deaf-blind person to earn a Bachelor of Arts degree.
中国大学MOOC: Helen Keller was the first deaf-blind person to earn a Bachelor of Arts degree.
中国大学MOOC: What is the thing that Helen Keller did NOT mention if she were to walk in a forest?
中国大学MOOC: What is the thing that Helen Keller did NOT mention if she were to walk in a forest?