图示两根细长压杆，l、EI相同。(a）杆得稳定安全系数nst＝4;则(b）杆实际
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】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.
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