B.regulations should be made to guide the science of cloning humans onto the right track
C.the research on cloning humans should not be conducted so recklessly
D.Antinori is a great scientist who pushes reproductive biology to the limits
B.regulations should be made to guide the science of cloning humans onto the right track
C.the research on cloning humans should not be conducted so recklessly
D.Antinori is a great scientist who pushes reproductive biology to the limits
B.It damages company-customer relations
C.It makes the company lose a lot of money
D.It protects honest ticket-paying passengers
A、They keep America’s economy running healthily.
B、They prove to be a good alternative to petroleum.
C、They do not provide a sustainable energy supply.
D、They cause serious damage to the environment.
B.前运算
C.具体运算
D.形式运算
B.解磷定中毒
C.阿托品中毒
D.脑出血
E.脑水肿
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