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【单选题】
根据《专利法》，下列智力成果中，可授予专利权的是（ ）。A.
妨害公共利益的发明创造
B.
动物和植物品种的生产方法
C.
科学发现
D.
用原子核变换方法获得的物质
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皮皮学刷刷变学霸
举一反三
【单选题】Mr．Smith has bought a lot of books for his daughter，__________he?
A.
hasn’t
B.
didn’t
C.
doesn’t
【单选题】I bought a lot of gifts for my family, but he bought_____ .
A.
something
B.
anything
C.
nothing
【单选题】His uncle died and ________ him a lot of money, with which he bought an expensive car.
A.
left
B.
had
C.
gave
D.
put
【单选题】He saved a lot of money___he bought a new house for his marriage.他攒了很多钱因此买了结婚用的新房。
A.
so
B.
as
C.
unless
D.
though
【单选题】He bought some books in the bookstore and his father________ him a lot of money.
A.
gives
B.
will give
C.
ought to give
D.
must have done
【单选题】If he ___ the money, he ___ a lot of clothes. [ ]
A.
has; will buy
B.
had; bought
C.
had; would buy
D.
had; will buy
相关题目：
【单选题】I bought a lot of gifts for my family, but he bought_____ .
A.
something
B.
anything
C.
nothing