A:转基因培育出来的细菌不属于生物
B:这种细菌能把无机物转化成有机物
C:这种方法能缓解能源问题
D:细菌“食电”过程违背能量守恒定律
— You should write a passage in the English exam.
— I think it's not difficult for us to write if you try your best.
如图为亚洲三个人类文明发祥地,这三个地区的共同特征是( )