题目内容：
根据材料,回答题.Directions: There are 20 blanks in the following passage, and for each blank there are four choices marked A, B, C and D at the end of the passage． You should choose ONE answer that best fit into the passage． Then blacken the corresponding letter on the Answer Sheet．
Liberal ( 自由) education is becoming the task of teachers． It is 56 not only to teach and learn knowledge, but also to develop a person's 57 ． Its 58 is to teach each student to think for himself and make 59 decisions． Now liberal education has a great 60 on the world． Much work has been done to find better way of teaching． In a liberal class, students are 61 to have their own thoughts and their own ideas when they have lessons which are often held in the form of 62 ．They are properly guided to 63 the knowledge learned． Punishment 64 exists． Teachers and students are just like 65 The 66 is of course a perfect one if it can really be 67 ． However, it only exists in the imagination and will never be 68 ． We must 69 that children should at least be guided properly． Just close your eyes and think how many students will 70 the duties of a student if they are not 71 ． What is the 72 of advice if it is not supported by a reasonable 73 of control and punishment?
It is 74 for us to judge the success and failure of the kind of education now, but from the bad behavior of the children, which is actually the 75 of liberal education, we can see that something must be done to help these children．
第56题答案为 A．designed
B．required
C．refused
D．reported
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答案解析：