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【单选题】
染色体的基本结构核小体，包括一个组蛋白八聚体和一个位于连接部分上的组蛋白（ ）A.
H1
B.
H2A
C.
H3
D.
H4
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皮皮学刷刷变学霸
举一反三
【单选题】_______she is not so cheerful________she used to be?
A.
How it is that；as
B.
How is it that；as
C.
Is it why；that
D.
Why is it that；what
【单选题】面筋是将( )加水和成团，在水中揉洗除去可溶性物质，淀粉和麸皮、最后得到一种浅灰色、柔软而有弹性，不溶于水的胶状物。
A.
大麦粉
B.
黑麦粉
C.
小麦粉
D.
甘薯粉
【单选题】—I don’t know makes her different from others. —Confidence, I think.
A.
how is it that
B.
how it is that
C.
what is it that
D.
what it is that
【简答题】继电器输出型PLC模块的输出电流约 A/点(电阻性负载);晶体管输出型PLC模块的输出电流约 A/点(电阻性负载)。
【单选题】—I don’t know makes her different from others. —Honesty, I think
A.
how is it that
B.
how it is that
C.
what is it that
D.
what it is that
【单选题】— ? —She’s watching TV at home.
A.
How is Mary
B.
What does Mary do
C.
What is Mary doing
D.
How is it going
【简答题】____________是生产中指导制造和检验该零件的主要图样,它不仅仅是把零件的___________________表达清楚,还需要对零件的_________________提出必要的技术要求。
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