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举一反三
【单选题】请选择（47）处最佳答案。
A.
The state government covers the rest.
B.
The application is then sent to the student's university，where the school itself will decide whether free money will be given to the student and how much.
C.
At public universities，however，tuition increases must also be approved by a state education committee，sometimes called the board of governors.
D.
The school currently charges US$23，410 a year for tuition.
E.
Many American people are simply unable to pay the growing cost of food.
F.
That's more than double the rate of inflation.
【单选题】根据以下答案，回答题
A.
加间苯三酚和盐酸盐试液．显红色或紫红色
B.
加碘液显棕黄色，加硝酸汞显砖红色
C.
加碘液显蓝色或紫色
D.
加氧化锌碘显蓝色或紫色
E.
加硫酸无变化
纤维素细胞壁
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纤维素细胞壁
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