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【单选题】
It was with great joy _____ he received the news that his lost daughter had been found. [ ]A.
because
B.
which
C.
since
D.
that
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举一反三
【单选题】Printing is known as “mother of civilisation”. It has a long history and includes block printing and _________ printing.
A.
movable type
B.
color printing
【简答题】A Release B Publication C Printing D Exposure
【单选题】How to construct objects during 3D printing?
A.
by combining solid parts together
B.
by printing layer by layer
C.
by printing large amount of paper
D.
by spitting out liquid material which solidifies later