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【简答题】
把教材第55.2的数据集用R语言来实现决策树。
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反馈参考答案：
举一反三
【简答题】简述企业内部招聘的优点。
【多选题】采用文克勒地基模型计算地基梁板时, ( ) 正确。
A.
基床系数是地基土引起单位变形时的压力强度
B.
基床系数是从半无限体理论中导出的土性指标
C.
按文克勒地基模型计算，地基变形只发生在基底范围内，基底范围以外没有地基变形
D.
文克勒地基模型忽略了地基中存在的剪应力
【单选题】It is hoped that the prisoner will be released through the______of the president himself.
A.
convention
B.
intervention
C.
interference
D.
concession
【单选题】It is hoped that the third part should be a truly impartial observer of events.
A.
impassive
B.
genius
C.
related
D.
unprejudiced
【单选题】It is hoped that the teaching reform. ____ in our school at present will bring the ___ result to the students.
A.
carried out, desiring
B.
carrying out, desired
C.
to carry out, desired
D.
being carried out, desired
【简答题】简述企业内部招聘的优点
【单选题】It is hoped that the president’s visit will a better understanding between the two countries.
A.
make for
B.
count on
C.
show off
D.
take up
【单选题】It is hoped that the prisoner will be released through the ______ of the president himself.
A.
intrusion
B.
interruption
C.
intervention
D.
interference
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