题目内容

The cloning biotechnology would enable us to increase stocks of existing species (albeit without increasing the genetic diversity within the species) and even perhaps to bring back species that have already lost the battle.

A. 对
B. 错

查看答案
更多问题

TheUnitedNationsDeclarationofTheHumanEnvironmentin1972inStockholmdeclares26principlesconcerningthepreservation and enhancement of the human environment. Among them, Principle3declaresthat"The capacity of the earth to produce vital renewable resources must be maintained and, wherever practicable, restored or improved".

A. 对
B. 错

Synthetic biology could be used to create entirely new species and perhaps to mitigate the threat to existing species by means of bioremediation.

A. 对
B. 错

TheUnitedNationsDeclarationofTheHumanEnvironmentin1972inStockholmdeclares26principlesconcerningthepreservation and enhancement of the human environment. Among them, Principle2declaresthat"The natural resources of the earth, including the air, water, land, flora and fauna and especially representative samples of natural ecosystems, must be safeguarded for the benefit of present and future generations through careful planning or management, as appropriate".

A. 对
B. 错

TheUnitedNationsDeclarationofTheHumanEnvironmentin1972inStockholmdeclares26principlesconcerningthepreservation and enhancement of the human environment. Among them, Principle8declaresthat"Economic and social development is essential for ensuring a favorable living and working environment for man and for creating conditions on earth that are necessary for the improvement of the quality of life".

A. 对
B. 错

答案查题题库