单项选择题
A．By imitating what other people do. B．By making mistakes and having them corrected. C．By listening to explanations from learned people. D．By asking a great many questions.
6（）A．hear fromB．feel likeC．think aboutD．know of
单项选择题6（）
A．hear from B．feel like C．think about D．know of
The three-year-old girl is suffering from a rare illnes...
单项选择题The three-year-old girl is suffering from a rare illness that （）.
A．she has never cried since she was a baby B．she is made half blind by the strange illness C．she often chews her own tongue D．she is unable to feel pain physically
We don"t know that our eyes are of great importance unt...
单项选择题We don"t know that our eyes are of great importance until （）.
A．we think about our eyes B．we cannot see clearly C．we wear glasses D．we have to do much reading
