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【单选题】
技术员甲说在利用断缸试验法进行气缸功率输出平衡性测试时,对那些使发动机转速下降幅度最大的气缸应进一步进行测试,以确定故障原因;技术员一个运行正常的气缸在断缸后不会影响发动机转速。请问谁的说法是正确的?()
A.
只有甲正确
B.
只有乙正确
C.
两人均正确
D.
两人均不正确
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参考答案:
举一反三
【单选题】基因分离定律的实质是
A.
等位基因随同源染色体分开而分离
B.
子一代性状分离比例为3∶1
C.
子一代出现性状分离
D.
测交后代性状分离比为3∶1
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【单选题】The most gifted students do ( ) perform best in exams.
A.
counts for
B.
gifted
C.
not necessarily
D.
make the most of
E.
brains
查看完整题目与答案
【简答题】由椰壳纤维35%、纤维20%、羊毛纤维45%的未漂白机织物(幅宽超过30厘米)
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【简答题】The most gifted students do not necessarily perform. best in exams. It counts for more to know how to make the most of one's abilities.
查看完整题目与答案
【简答题】简述我国人口老龄化的主要特点。
查看完整题目与答案
【简答题】The Academy numbers include the most gifted and skilled __ in the motion picture world.
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【单选题】The main idea of the passage is______.
A.
that gifted children were most likely to become bright grown-ups
B.
that bright children were unlikely to be physically and mentally healthy
C.
how many gifted children turned successful when they grew up
D.
that when the bright children grew up, they would become ordinary
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【多选题】2010年,我国老年人口将达到1.74亿,占总人口的12.8%。我国人口老龄化的主要特征有:()。
A.
未富先老
B.
老年人口数量多
C.
老龄化速度快
D.
高龄趋势明显
查看完整题目与答案
【单选题】分离定律的实质是
A.
子二代出现性状分离
B.
子二代性状分离比为3:1
C.
子二代性状分离比为1:1
D.
测交后代性状分离比1:1
E.
等位基因随同源染色体分离而分开
查看完整题目与答案
【单选题】基因分离定律的实质是 [ ]
A.
F 2 出现性状分离
B.
F 2 分离比3:1
C.
F 1 产生配子时等位基因分离
D.
F 1 产生的配子比例相同
查看完整题目与答案
相关题目:
【单选题】基因分离定律的实质是
A.
等位基因随同源染色体分开而分离
B.
子一代性状分离比例为3∶1
C.
子一代出现性状分离
D.
测交后代性状分离比为3∶1
查看完整题目与答案
【单选题】The most gifted students do ( ) perform best in exams.
A.
counts for
B.
gifted
C.
not necessarily
D.
make the most of
E.
brains
查看完整题目与答案
【简答题】由椰壳纤维35%、纤维20%、羊毛纤维45%的未漂白机织物(幅宽超过30厘米)
查看完整题目与答案
【简答题】The most gifted students do not necessarily perform. best in exams. It counts for more to know how to make the most of one's abilities.
查看完整题目与答案
【简答题】简述我国人口老龄化的主要特点。
查看完整题目与答案
【简答题】The Academy numbers include the most gifted and skilled __ in the motion picture world.
查看完整题目与答案
【单选题】The main idea of the passage is______.
A.
that gifted children were most likely to become bright grown-ups
B.
that bright children were unlikely to be physically and mentally healthy
C.
how many gifted children turned successful when they grew up
D.
that when the bright children grew up, they would become ordinary
查看完整题目与答案
【多选题】2010年,我国老年人口将达到1.74亿,占总人口的12.8%。我国人口老龄化的主要特征有:()。
A.
未富先老
B.
老年人口数量多
C.
老龄化速度快
D.
高龄趋势明显
查看完整题目与答案
【单选题】分离定律的实质是
A.
子二代出现性状分离
B.
子二代性状分离比为3:1
C.
子二代性状分离比为1:1
D.
测交后代性状分离比1:1
E.
等位基因随同源染色体分离而分开
查看完整题目与答案
【单选题】基因分离定律的实质是 [ ]
A.
F 2 出现性状分离
B.
F 2 分离比3:1
C.
F 1 产生配子时等位基因分离
D.
F 1 产生的配子比例相同
查看完整题目与答案
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