单项选择题
A．short pants B．special glasses C．a rare suit D．a safety belt
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
There were some （）flowers on the table.A．artificialB．un...
单项选择题There were some （）flowers on the table.
A．artificialB．unnaturalC．falseD．unreal
