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【单选题】
函数f(x)=(k-1)x+1在 R 上是减函数,则实数k的取值范围为 [ ]
A.
{k|k<1,且k≠0}
B.
{k|k>-1,且k≠0}
C.
{k|k<1}
D.
{k|k>1}
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举一反三
【单选题】可用于代谢组学筛选分子标志物研究的技术方法是
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SAGE
B.
GWAS
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2D-PAGE
D.
GC-MS
E.
Southern印迹杂交
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A.
正确
B.
错误
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【单选题】The man has asked the woman to come here late in the day because ________.
A.
he wants to see the woman act as a waitress for half an hour or so
B.
he wants to invite her to try the food in the restaurant
C.
the restaurant is short of hands in the evening
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【单选题】对舷侧为横骨架式的首尖舱区域,其加强方法有________。I.设置垂向间距不大于2m的强胸横梁;II.在强胸横梁处设置舷侧纵桁;III.设置升高肋板;IV.肋骨间距应取1.0。
A.
Ⅰ~Ⅲ
B.
Ⅱ~Ⅳ
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Ⅰ~Ⅳ
D.
Ⅰ,Ⅱ,Ⅳ
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【单选题】对舷侧为横骨架式的首尖舱区域,其加强方法有() Ⅰ.设置垂向间距不大于2m的强胸横梁; Ⅱ.在强胸横梁处设置舷侧纵桁; Ⅲ.设置升高肋板;Ⅳ.肋骨间距应取1.0。
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Ⅰ~Ⅲ
B.
Ⅱ~Ⅳ
C.
Ⅰ~Ⅳ
D.
Ⅰ,Ⅱ,Ⅳ
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【单选题】关于选址 优缺点比较法的相关理解,正确的是( )。
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至今还在广泛应用
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D.
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【单选题】How does the woman interpret the fact that the man was asked to help his colleagues with their work?
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B.
He is always ready to help others.
C.
His boss has a lot trust in him.
D.
His boss has no sense of fairness.
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【单选题】对舷侧为横骨架式的首尖舱区域,其加强方法有____。①设置垂向间距不大于2m的强胸横梁;②在强胸横梁处设置舷侧纵桁;③设置升高肋板;④肋骨间距应取1.0m
A.
①②③
B.
②③④
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①②③④
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①②④
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【判断题】铁碳合金相图应用于锻造工艺。
A.
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B.
错误
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相关题目:
【单选题】可用于代谢组学筛选分子标志物研究的技术方法是
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【单选题】对舷侧为横骨架式的首尖舱区域,其加强方法有() Ⅰ.设置垂向间距不大于2m的强胸横梁; Ⅱ.在强胸横梁处设置舷侧纵桁; Ⅲ.设置升高肋板;Ⅳ.肋骨间距应取1.0。
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A.
至今还在广泛应用
B.
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C.
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D.
能满足市场条件下运作
查看完整题目与答案
【单选题】How does the woman interpret the fact that the man was asked to help his colleagues with their work?
A.
He never knows how to refuse.
B.
He is always ready to help others.
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