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【单选题】
根据大多数国家的规定,不授予专利的发明创造是( )
A.
疾病的诊断和治疗方法
B.
利用自然规律的方案
C.
解决某一具体问题的方案
D.
产品发明
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【简答题】B Eleven-year-old Ruby Kate Chitsey loves asking the question”If you could have any three things, what would you want?" at nursing homes in Harrison. Even more amazing, she then sets out to make the r...
【单选题】She was staring out over the lake,_____ in thought.
A.
lost
B.
losing
C.
to lose
D.
to having lost
【单选题】F[x]中,x^2-3除2x^3+x^2-5x-2的余式为
A.
4x+1
B.
3x+1
C.
2x+1
D.
x+1
【单选题】She was staring out over the lake, lost in ________.
A.
translation
B.
contemplation
C.
absorption
D.
participation
【简答题】She was staring out over the lake, lost in ________________ (contemplative).
【单选题】下列有关外科感染的特点哪项是错误的
A.
感染多数与创伤和手术有关
B.
大部分感染是由一种细菌引起
C.
多数感染有明显而突出的局部表现
D.
当药物不能控制时要手术治疗
E.
外科感染可分为非特异性感染和特异性感染
【单选题】F[x]中,x^2-3x+1除3x^3+4x^2-5x+6的余式为
A.
31x+13
B.
3x+1
C.
3x+13
D.
31x-7
【单选题】多项式f(x)除以x-a所得的余数为( )
A.
f(0)
B.
f(x-a)
C.
f(a)
D.
以上均错
【单选题】多项式f(x)除以2(x+1)和3(x-2)的余式分别为1和-2,那么5f(x)除以x 2 -x-2的余式为______.
A.
-5x
B.
5x
C.
-5x+6
D.
5x+6
E.
均不正确
【单选题】She was staring out over the lake, composing a poem in her mind.
A.
illustration
B.
creating
C.
vision
D.
courage
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