A.Easy but practical ways to remove water from living cells. |
B.The possibility of preserving human bodies by freezing. |
C.The practice of preserving food by freezing. |
D.The harmful effects of freezing. |
A.has already been realized |
B.was invented in ancient China |
C.has its roots in the way of storing food |
D.is widely accepted by the scientific world |
A.is harmful to living cells |
B.is the best way of preserving food |
C.reduces the volume of water in living cells |
D.is a way of removing water from living cells |
A.It is impossible to have whole animals frozen. |
B.It remains unknown how to unfreeze frozen animals. |
C.Freezing incurable patients for later treatment is still an idea. |
D.The glycerin method has already been adopted to treat patients. |
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C.Employers are under great pressure of taking GCSE exams. |
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A.Association of School and College Leaders |
B.Education Act 2011 |
C.GCSE exams |
D.OFSTED |
A.schools |
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A.cut public expenses | B.encourage energy conservation |
C.develop public resources | D.forbid carbon emission |
A.To advocate sustainable development. | B.To compare two business models. |
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C.The basic means of controlling water. |
D.The challenge for developing crops. |
A.The ecological destruction will be known to the public by researchers |
B.The ecological destruction will no longer be a problem in the future |
C.The future is an information age |
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C.More wetlands should be protected from destruction. |
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