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【单选题】
___________ 查看材料A.
Its opponents argue， however， that it will stop global warming.
B.
Its opponents fear that it will damage the marine ecosystem， and now a computer model shows that the trick would also be remarkably inefficient.
C.
As plankton die and settle on the ocean floor， their carbon is supposedly locked up in the seabed.
D.
They found that 100 years later only between 2 and 11 per cent， of the extra carbon that was originally taken up by plankton had actually been removed from the atmosphere.
E.
'These are newer and better models.'
F.
Ocean fertilisation is not the answer to global warming.
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【多选题】Which of the following proteins are housekeeping proteins?
A.
RNA polymerases
B.
DNA repair enzymes, ribosomal proteins
C.
enzymes involved in glycolysis and other basic metabolic processes
D.
many of the proteins that form the cytoskeleton.
【单选题】泰罗倡导的科学管理特征之一就是工作的制度化与程序化.其中有一重要的原则称为“例外原則”。可以理解为:( )。
A.
管理者具有一定的特殊权力，有些问题的处理可以例外，不受制度约束
B.
将程序化的工作授权下属去完成，管理者集中精力处理非程序化事务
C.
制度的制定要留有一定的余地，以便特殊情况的处理
D.
给管理者留有不按制度办事的权力，以便照顾某些特殊关系
【单选题】If you know how many carbohydrates, fats and proteins are in any given food, you know
A.
how much energy that food contains
B.
the compilation of these three building blocks
C.
how the energy is acquired
D.
where does the food come from
【单选题】Many proteins fall into one of 2 general classes of proteins based on tertiary structure: ___________.
A.
linear and globular
B.
circular and globular
C.
fibrous and irregular
D.
fibrous and globular
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