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【单选题】
箱__★_ ___ ___ ___。A.
消しゴム
B.
に
C.
が
D.
あります
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反馈参考答案：
举一反三
【单选题】The world economy has improved ________ since the end of last year，but major problems and challenges are not fully solved.
A.
somehow
B.
somewhat
C.
anyhow
D.
meanwhile
【单选题】Does the bar open every day?( )
A.
Y es
B.
Just on weekend
C.
Just on week days
D.
Except Wednesday
【多选题】Select the following true phrases regarding the tasks that have been solved by machine learning.选择下列哪些属于可以通过机器学习解决的任务。
A.
Classification 分类
B.
Clustering 聚类
C.
Category 派生
D.
Dissection 剖析
E.
Partition 划分
F.
Regression 回归
【单选题】The road ______and it will be finished by the end of next year.
A.
is built
B.
is being built
C.
has been built
D.
was built
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