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【多选题】
由于受国内外各种错误思潮、腐朽观念等因素的影响,现实中还存在()等种种错误观念和看法.A.
拜金主义
B.
集体主义
C.
享乐主义
D.
极端个人主义
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【单选题】今有两种压杆,一为中长杆,另一为细长杆,在计算临界力时,如中长杆误用细长杆公式,而细长杆误用中长杆公式,其后果是 ( )
A.
两杆都安全
B.
两杆都不安全
C.
中长杆不安全，细长杆安全
【单选题】Which of the following is true about the action of CAP at the lac promoter?
A.
CAP monomer binds directly to the promoter stimulating polymerase to bind.
B.
CAP-AMP blocks recruitment of polymerase to the promoter.
C.
CAP blocks the αCTD of RNA polymerase.
D.
Binding of the CAP-cAMP to the lac activator-binding site recruits RNA polymerase.
E.
CAP monomer binds directly to the promoter stimulating polymerase to bind and CAP blocks the αCTD of RNA polymerase are correct.
【简答题】求P(S2/σ2≤2．041)，其中，S2为样本方差；
【单选题】Which of the following is NOT a function of the mRNA cap?
A.
protects the mRNA from degradation
B.
enhances translatability of the mRNA
C.
enhances transport of the mRNA to the cytoplasm
D.
enhances splicing of the mRNA
E.
helps regulate expression of the mRNA
【单选题】以下程序的输出是? #include using namespace std; int main() { char s1='W'; char s2='X'; char &rs=s1; rs = s2; char *ps = &s1; ps = &s2; cout<
A.
WXXX
B.
XXXX
C.
WWWW
D.
WXWX
【单选题】Which of the following is NOT a reason why the thinning of the polar ice cap would be disastrous to the world?
A.
The polar ice cap plays a crucial role in the world’s weather system.
B.
The thinning of the polar cap might endanger ships on the sea.
C.
The thinning of the polar cap might cause the sea level to be raised.
D.
The thinning of the polar cap might cause some seaside cities and small islands to be swallowed by the sea.
相关题目：
【单选题】今有两种压杆,一为中长杆,另一为细长杆,在计算临界力时,如中长杆误用细长杆公式,而细长杆误用中长杆公式,其后果是 ( )
A.
两杆都安全
B.
两杆都不安全
C.
中长杆不安全，细长杆安全
【单选题】以下程序的输出是? #include using namespace std; int main() { char s1='W'; char s2='X'; char &rs=s1; rs = s2; char *ps = &s1; ps = &s2; cout<
A.
WXXX
B.
XXXX
C.
WWWW
D.
WXWX
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