题目内容
The kites used by German U-boats in World War 1I for the military purpose were made of ______.
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In some countries, in order to help people to become capable of taking different jobs, different skills within a broad category are taught.
In Germany, vocational education is the one that everybody can take voluntarily.
It can be concluded from the passage that more vocational education has to be provided in
In the former Soviet Union, school and work were always weakly linked from primary school.
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