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【单选题】
关于转录因子的描述,正确的是
A.
转录因子的调节作用通常属于反式调节
B.
转录因子都通过蛋白质-蛋白质相互作用来发挥作用
C.
转录因子的调节作用都是依赖于DNA
D.
都具有激活功能
E.
转录因子都含有转录激活域和DNA结合域
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【多选题】某工程双代号时标网络图如下,则下列说法中正确的是( )。
A.
工作B的LS为5
B.
工作C的LS为5
C.
工作H的FF为0
D.
工作I的FF为2
E.
工作E的TF为1
【单选题】某工程的双代号网络计划如下图所示,则其关键路径时间为 (50) 天,作业F的自由时差为 (51) 天,节点5的最迟完成时间为 (52) 天。 (50)
A.
20
B.
19
C.
16
D.
15
【单选题】个人品德是个体对某种道德要求认同和践履的结果,集中体现了道德认知、道德情感、道德意志、道德信念
A.
道德实践
B.
道德行为
C.
道德表现
D.
道德内容
【单选题】The country should focus on producing the products with ( ).
A.
a bsolute advantage
B.
comparative advantage
C.
scarce resources
D.
economies of scale
【单选题】We should avoid untrue claims about the products or the services.
A.
falling behind
B.
falling for
C.
to fall behind
D.
to fall for
【单选题】All the products should meet the criteria____ in the contract, otherwise the buyer will reject them.
A.
sets
B.
set
C.
setting
D.
be set
【简答题】While many people are attracted to the idea of becoming an astronaut, there are many ers involved, and the idea of spending so many days in space can be ( ) .
【多选题】个人品德是个体对某种道德要求认同和践履的结果,集中体现了()的内在统一。
A.
道德认知
B.
道德判断
C.
道德意志
D.
道德行为
【单选题】The idea of becoming a writer had ______ me off and on since my childhood.
A.
got on
B.
haunted
C.
convinced
D.
deprived
【单选题】The idea of becoming a writer has come to me _____ since my childhood in Belleville.
A.
off and on
B.
or something
C.
right away
D.
kind of
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