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【单选题】
玩具狗与电话答话装置、真空吸盘与增压容器，这些东西通常毫不相关，把它们结合起来就变成了发明。从形成专利权的创造性角度看，这属于()。A.
原创性技术发明
B.
改进性的技术发明
C.
组合性的技术发明
D.
结构性技术发明
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举一反三
【单选题】The Huang River is the second __________ river in our country.
A.
long
B.
longer
C.
longest
D.
the longest
【简答题】The Yellow River is_________river in China. A．the second long B．the second longest C．the two long D．the two longest
【单选题】_____, the Yellow River is the second longest fiver in China and it's the birthplace of Chinese culture. [ ]
A.
As a result
B.
It is said
C.
As well as
D.
As we know
【单选题】The Yellow River is the second river in China. [ ]
A.
long
B.
longer
C.
longest
D.
the longest
【单选题】The Yellow River is __________ river in China.
A.
the longer
B.
the longest
C.
the second longest
D.
longest
【单选题】The Yellow River is river in China. [ ]
A.
the second longest
B.
second longest
C.
the longest
D.
longest
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