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【单选题】
Titanic lasts __.A.
over three hours
B.
nearly three and a half hours
C.
almost four hours
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反馈参考答案：
举一反三
【单选题】DNA replication in eukaryotes:
A.
usually starts at the same place every time
B.
only involve 2 different DNA polymerases
C.
is faster than in bacteria l DNA replication
D.
all of the above are false
【单选题】The primers in DNA replication are
A.
DNA fragments synthesized with DNA as template
B.
DNA fragments synthesized with RNA as template
C.
RNA fragment synthesized with DNA as template
D.
RNA fragments synthesized with RNA as template
E.
Primers still exist in the DNA strand after replication
【多选题】索洛模型表明:储蓄率是稳态资本存量水平的一个决定性因素
A.
如果储蓄率高，经济将有较多的资本存量和较高的产量水平
B.
如果储蓄率低，经济将有较少的资本存量和较低的产量水平
C.
较高的储蓄将导致较快的增长，这一点在短期和长期都成立
D.
储蓄率的提高使增长率提高，直到经济进入新的稳态
【简答题】中国FDM技术的开拓者是清华大学的[填空(1)] 。
【多选题】The fidelity of DNA replication is maintained by:
A.
(1) base selection by the polymerase
B.
(2) a 3′→5′ proofreading exonuclease activity that is part of most DNA polymerases
C.
(3) specific repair systems for mismatches left behind after replication
D.
all the above
【简答题】中国FDM技术的开拓者是清华大学的[ ]。A. 颜永年
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